Top definition
The act of punching some one so hard in the stomach, that they make a strange squealing noise before falling to the ground, writhing in pain.
Friend 1: I swear to God! If you even try to do that, I will Fetus Punch you so hard!
Friend 2: HAHAHHAhAHHAHAHA(Tries to rape his friend.)
(Friend 1 punches his friend in the fetus.)
Friend 2: SQUAAALLLLLGLGLGHHHHHH!!!!!
(Friend 2 falls to the ground in pain.)
Friend 2: FETUS PUNCHING IS NOT COOL MAN!!!
by Spoony McSpooner! November 21, 2009
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