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48. Gamer greeting tee

As uttered at the beginning of every MOBA match you've ever played -- with "but don't have so much fun that we lose" implied. This shirt is $15 from Jinx and has "GGWP" on the back.

Published:Caption:Photo:Jinx
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47. 73 tee

Sheldon Cooper calls 73 the "Chuck Norris of numbers." Here's why. You can get your own for $25 from Spreadshirt.

Published:Caption:Photo:Michael Yarish/CBS
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46. Transformers glow-in-the-dark tee

Like the robots it references, this shirt transforms: Its Autobot logo glows in the dark . On sale for $15 here.

Published:Caption:Photo:Her Universe
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45. Reddit logo tee

Tell the outside world where you spend the most time in the online world. Get one like Sheldon's for $15.50 here.

Published:Caption:Photo:Greg Gayne/CBS
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44. Bottle cap tee

Perfect for spending entire weekends glued to the couch playing Fallout 4. Buy your own for $15 at Once Upon a Tee.

Published:Caption:Photo:Once Upon a Tee
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43. Settlers of Catan wheat tee

Alert everyone that you settle all your arguments Catan-style. Available for $20 in the Catan Shop.

Published:Caption:Photo:Catan Shop
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42. Bat symbol evolution tee

Feel free to subject your friends to a pop quiz of which symbol goes with which Batman. (Just be prepared for them to not be your friends much longer.) Get one like Sheldon's for $20 here.

Published:Caption:Photo:Monty Brinton/CBS
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41. Game of toys tee

"In the game of toys, you win or you clean your room." -Your mom, probably.

Wear your wee Westerosi pride for $15 here.

Published:Caption:Photo:Once Upon a Tee
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40. Red ring of death tee

The only shirt capable of giving your friends PTSD flashbacks. Relive the worst moment of your life for $24 here.

Published:Caption:Photo:Busted Tees
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39. Superman logo tee

It takes several years to get a Superman-like physique, like this guy has, but that doesn't mean you can't wear the iconic Kryptonian symbol on your chest. Soccer.com sells an Under Armour version of this shirt for $26.

Published:Caption:Photo:Corbis
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38. Dalek election tee

Daleks: Not even once. Available for $22 here.

Published:Caption:Photo:Jinx
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37. I like big books tee

You readers can't deny, when a girl walks in, put a bookmark in your place, get a new book in their face... well, you get it. Rock one for $27 here.

Published:Caption:Photo:Spreadshirt
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36. Greatest American Hero tee

Believe it or not, this is a shirt. CBS sells one just like Sheldon's for $25.

Disclosure: CBS owns CBS Interactive, the parent company of CNET.

Published:Caption:Photo:Monty Brinton/CBS
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35. G33k Mafia tee

If being a geek were really like being in the mafia, who would be the Godfather? Stan Lee? Show off your membership with a similar shirt for $22 here.

Published:Caption:Photo:Corbis
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34. Math tee

Be rational! Get real! Tell the whole world you majored in mathematics for just $25!

Published:Caption:Photo:Noisebot
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33. Atari tee

Felicia Day has shown some love for the original must-have home gaming system. Get one with the classic logo for $25 here.

Published:Caption:Photo:Corbis
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32. Bartman returns tee

The only thing nerdier than a shirt that pays tribute to your favorite fandom is a shirt that pays tribute to two of them. Buy one for $20 here.

Published:Caption:Photo:Neatoshop
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31. Tesla > Edison tee

Sure to spark a festive debate between you and your friends. Light it up for $14 here.

Published:Caption:Photo:The Oatmeal
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30. Classic Batman tee

Na-na-na-na-na-na-na-na-BAT-SHIRT! We found one like it for $28 here.

Published:Caption:Photo:Michael Yarish/CBS
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29. Dark Side of the Force tee

Kylo Ren probably wore this one every day back in college. Available for $28 here.

Published:Caption:Photo:Noisebot
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28. Geek tee

Nickelodeon's Victoria Justice rocked a shirt that spells it out plain and simple. Sadly, Topshop no longer carries this burgundy one, but you can snag a similar one for $10 here.

Published:Caption:Photo:Splash News/Corbis
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27. Green Arrow tee

Oliver Queen would be proud. Snag one for $25 here.

Disclosure: CBS owns CBS Interactive, the parent company of CNET.

Published:Caption:Photo:Michael Yarish/CBS
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26. Robot print top

If you look closely at Felicia Day's printed top, you'll see that it's retro robots stacked up and down. Cool! No idea where she got it, but a similarly high-fashion robot print top is available for $240 here.

Published:Caption:Photo:Corbis
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25. World of Warcraft tee

If you look up the number of hours you've spent in World of Warcraft, it probably equals about what you'd need to get a bachelor's degree. So technically, Dalaran U. is your alma mater. Go Fightin' Magi! Show your team spirit for $22 here.

Published:Caption:Photo:Jinx
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24. Force calculation tee

Note: Probably not appropriate to wear to your Physics 101 final. Otherwise, buy one for $19 here.

Published:Caption:Photo:Spreadshirt
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23. Green Lantern equation tee

Dead guy plus awesome space ring equals superhero. Never forget the formula for $20 here.

Published:Caption:Photo:Michael Yarish/CBS
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22. AT-AT tee

AT-AT does not like the cone of shame. Make him wear it anyway for $20 here.

Published:Caption:Photo:Neatoshop
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21. Vintage Superman tee

Distressed and old-school, just like Clark Kent's journalism career. Show you were into Superman before it was cool for $14 here.

Published:Caption:Photo:Monty Brinton/CBS
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20. Van Gogh TARDIS tee

Because some people are nerds about British TV shows and art history. Bend time and space-and painterly perspective-for $20 here.

Published:Caption:Photo:ThinkGeek
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19. Green Lantern Corps logo tee

Whether in brightest day or blackest night, this T-shirt is still appropriate. Available for $20 here.

Published:Caption:Photo:Michael Yarish/CBS
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18. Hawkman logo tee

This one is particularly geeky because almost no one knows who Hawkman is, or remembers that he's a superhero. Be part of the in crowd for $26 here.

Published:Caption:Photo:Michael Yarish/CBS
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17. The IT Crowd tee

Well, have you? Ask yourself (and everyone else) for $20 here.

Published:Caption:Photo:ThinkGeek
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16. The Flash tee

As a superhero who's also a scientist, Barry Allen is a geek's geek. Show your solidarity for $13 here.

Published:Caption:Photo:Monty Brinton/CBS
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15. Rubik's cube tee

This one pays tribute to many a baby geek's first toy. See it up close and buy one for $20 from ThinkGeek.

Published:Caption:Photo:Monty Brinton/CBS
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14. Iron Droid tee

Like if Tony Stark and JARVIS somehow fused into one person. Available for $20 here.

Published:Caption:Photo:Iron Droid
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13. Green Lantern oath tee

That writing on the shirt is the Green Lantern Corps oath written in Interlac, which is the official language of Oa -- but we're sure you knew that already. This one is so rare that it's tough to find online, but you can get one with the oath written in English for $22 here.

Published:Caption:Photo:Michael Yarish/CBS
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12. Wookiee Jesus tee

Amuse your geeky friends while simultaneously horrifying your religious ones. Available for $14 here.

Published:Caption:Photo:The Oatmeal
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11. Classic Aquaman tee

Command the beasts of the sea in style for $24 here.

Published:Caption:Photo:Monty Brinton
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10. Classic Flash tee

Showcase your knowledge of the Crimson Comet for $25 here.

Disclosure: CBS owns CBS Interactive, the parent company of CNET.

Published:Caption:Photo:Sonja Flemming/CBS
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9. 1337 tee

Everyone needs to about about your 1337 h4x0r 5ki11z. Show them off for $20 here.

Published:Caption:Photo:bytelove
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8. The Flash equation tee

Science plus lightning equals Sheldon's favorite superhero. Available for $20 here.

Published:Caption:Photo:Michael Yarish/CBS
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7. No place like home tee

Or no place like /localhost, at least. Get it for $20 here.

Published:Caption:Photo:ThinkGeek
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6. Yellow Lantern Corps tee

The only thing geekier than a Green Lantern shirt is a shirt from one of the lesser corps. Show you're down with Sinestro for $20 here.

Published:Caption:Photo:Michael Yarish/CBS
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5. Not a geeky tee

...You are a geek, though. Just FYI. Prove it for $22 here.

Published:Caption:Photo:Teespring
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4. Man-Bot tee

Most people look at this shirt and think, "Oh, a funny robot!" WRONG. This is Man-Bot, a founding member of the Freedom Force. Get it for $29 here.

Published:Caption:Photo:Michael Yarish/CBS
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3. Serenity tee

Be a leaf on the wind. Or be a big damn hero for $15 here.

Published:Caption:Photo:Once Upon a Tee
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2. D20 tee

Crit happens. Available for $19 here.

Published:Caption:Photo:Sonja Flemming/CBS
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1. W-Ffi detector tee

The struggle is real -- if by "the struggle" you mean "the need to have Wi-Fi at all times." Buy one for $25 here.

Published:Caption:Photo:Amazon
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