1 definition by havok137

Pinning a used condom on the other person's butt or back without them knowing. Like pin the tail on the donkey but with a used condom...
Jack: Dude! I donkey tailed this girl last night after we did it... she didn't even notice it... She was walkin around my apartment sporting a donkey tail!

Dave: (::High five::) hahaha Nice!
by havok137 July 10, 2011
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