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Similar to a deadleg but you knee the victim as hard as you can in the ass
Guy 1: Dude! why are you walking like that?

Guy 2: Because Chip just gave me a deadtail!

and

Dude 1: Dude, go nail Bob with a Deadtail now. He's bending over. Perfect chance!

Dude 2: Haha whats a Deadtail?

*Dude 1 gives Dude 2 a Deadtail*

Dude 2: what the fuck man?!

Dude 1: Well you asked for it
by Golly245 November 02, 2010
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