Hump-n-dump Share definition Flag Pretend to be in love in order to fuck a chick, and then dump her right away! Don't TELL her, just DISAPPEAR! A person who DOES the hump-n-dump is called "Humpty Dumpty". Hump-n-dump by Humped-n-Dumped July 8, 2006 0 0 Get merch Get the Hump-n-dump mug. Buy Now — $32.95 See more merch