Do it, you won't

When people say to do something that they think they won't do, they'll say "Do it, you won't".

Or, if your being threatened and you doubt, you can say it.

Person 1: Come on, fight me

Person 2: Okay

Person 1: Do it, you won't!!!

i won't be long

Meaning everything but

I won't be long mate,

Hmmm I've heard that before, I think I'll go bang one out

won't bend over

I'll bend over backwards for people, but I won't bend over forwards. This means I will help you, but I won't be victimized!

I won't bend over forwards.

you won't do it!

a taunt given to someone when you want them to do something that normally wouldn't be done, and usually the reciever of the taunt has to perform the feat in order to keep his dignity.

brian stared at a half full tray of lasagna while his friends cheered on, "YOU WON'T DO IT!" Knowing that he now had to do it or suffer the consequences, he stuffed 8 pieces of lasagna down his throat.

turd that won't flush

1. An extremely annoying person that keeps coming back and annoying you after repeatedly telling them to leave you alone.
2. Anything that is annoying that keeps recurring or reappearing.

Telemarketers are turds that won't flush.

Pussy that won't quit

The pussy of a woman who is always trying to get fucked and is flaming hot.

She's got a pussy that won't quit.

This won't end well

A negative statement to describe a situation.

Girl A: "You put the Jacob fans and the Edward fans of Twilight in the same room?"
Girl B: "Yes."
Girl A: "This won't end well."