1 definition by Melisk23

Top Definition
The word Tailenis was originally formualted to explain a tail / penis like appendage on a small soft toy bear. It describes something which could be viewed as either a penis or a tail, but is ultimately indeterminable.

Tailenis can also be used as an insult towards men who act stupid, sleazy, creepy or in a caveman manner, to explain that they have not evolved and are an evolutionary throwback.
"Ya know what, I think I'm going to leave his unusual manhood alone, partly because I think it adds character, and partly because its inhumane to cut a tailenis off anyone."

OR

"Leave me alone, you creepy tailenis"
by Melisk23 December 17, 2009

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