"www.urbandictionary.com/define.php?...butt+buddies
Urban Dictionary
Two very close friends that spend a lot of time together, and are rarely seen apart from each other. "They are butt buddies." by Jesse February 18, 2005"
Another Biden-ism.
http://finance.yahoo.com/video/biden-being-biden-veep-gives-195639514.html
May I assume the reference was something other than gay?

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