Definitions by Señor Plata
Punch the munchkin
A euphemism to describe masturbation; knuckle shuffle on the piss pump; pounding the purple headed yogurt slinger; working the wand etc.
In anticipation of his first date with the hot chick in his class, Joe decided to punch the munchkin before heading out.
Punch the munchkin by Señor Plata September 6, 2011