guliboob Share definition Flag Any guy who believes everything told to him by a girl with a pair of boobs he finds irresistible. She flashed a little cleavage at him and he swallowed every word, he's such a guliboob. guliboob by mckinky December 29, 2013 0 0 Get merch Get the guliboob mug. Buy Now — $32.95 See more merch