1 definition by andrepa
A variation of a slap bet wherein the loser has to buy a fish for the winner so the winner can slap the loser with it.
Peter: I fish slap bet you thriller will play on halloween night.
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(day after)
Adrian: buy me a wish!
Peter: OH.....crap!
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(day after)
Adrian: buy me a wish!
Peter: OH.....crap!
by andrepa November 12, 2009