Top Definition
A phrase used to bet somebody on anything they say that they are going to do, knowing very well you will not pay up.

Basically it is a way to anger friends so that they may do something stupid.
Dave - "I'm going to put up 200lbs on the bench press today"

Kyle - "Bet Five you won't put up 225lbs instead"
by Grown Man November 12, 2011
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