give (one) a melvin(redirected from give them melvins)
give (one) a melvin
To yank one's underwear up from behind until it is wedged between their buttocks, typically done as a prank; to give one a wedgie. I these pants I'm wearing are giving me a melvin while I walk. The group of bullies gave him such a bad melvin that he could barely walk.
give someone a melvin
tv. to jerk up someone’s pants or underwear, drawing the fabric up sharply between the buttocks. (It is assumed that some geek named Melvin goes about with his underwear in this uncomfortable position.) Tom came up behind Fred and, with a deft motion, gave Fred a melvin that he would never forget.