Fudge Butter Share definition Flag A reference to having anal intercourse with a person , with the effect of churning to create a butter like substance. Dude, you've rubbed your fudge butter all over my face. Fudge Butter by SimonAdam1 January 22, 2009 0 0 Get merch Get the Fudge Butter mug. Buy Now — $32.95 See more merch