When a man tucks his genitalia behind his thighs, as if making a mangina, then proceeds to punch himself in his new-found FUPA, creating the appearance of punching himself in the testicles.
In an attempt to win a bet to punch himself in the testicles, Mike performed the tuck and punch to win the bet unscathed.
by ILL McNasty February 20, 2008
Get the tuck and punchmug.