A sharp upward yank on another person's gonchies. Usually painful but entertaining to behold. An especially useful technique in warding off unwanted and raunchy immigrants who like showing chest hair.
Person 1: Dude, i'll give you ten bucks if you give blagloslav a gonch pull.
Person 2: I'll do it for free! Uh, do you have any gloves?
a severe wedgie that results with the victim having a shit stain in his drawers after the fact.
i had to change my underwear after that gonch pull he gave me!