schleup Share definition Flag (shl-oop) Verb, to schleup is when you go to another man and move their moob up with your hand. originated as a game in northern illinois oh that man has the biggest moobs ive ever seen watch me schleup them. schleup by navarro malaquias May 2, 2009 0 0 Get merch Get the schleup mug. Buy Now — $32.95 See more merch