Top definition
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 24, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug