1 definition by Brlm

When you're banging someone from behind, and right as you're about to cum, you just take a dump on their back.

So called because they will never see it coming.

(Literally.)
A: So how was last night with that guy?

B: He pulled a twist ending on me.

A: Oh, how was it?

B: Very surprising!
by Brlm January 25, 2007
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