look up any word, like blumpkin:
 
1.
the male equivalent of a camel toe.
Man, these boxers are too tight. They're starting to give me a donkey tail.
by ariel.is.awesome January 25, 2011
 
2.
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
 
3.
The act of forcibly giving a sexual partner a pink sock. This is done so by punching your sexual partner in the kidney while pulling out during anal sex.
getting a donkey tail would hurt like hell
by n0cand3fend November 19, 2008