yippie kay yay mother fucker Share definition Flag An awesome phrase originating from the Die Hard movies. Yippie kay yay mother fucker *shoots and kills man* yippie kay yay mother fucker by yippiekayyaymotherfuckerdiehar April 7, 2010 0 0 Get merch Get the yippie kay yay mother fucker mug. Buy Now — $32.95 See more merch
