yehafuck Share definition Flag this word is mostly spoken when in a drunk state of mind. The Word "Yehafuck" means , "your a fuck" Drunk1: yehagots anyosmokes? Drunk2: nah, yehafuck Drunk2: no yehafuck yehafuck by Noxxie May 3, 2005 0 0 Get merch Get the yehafuck mug. Buy Now — $32.95 See more merch