Milf's gone bad Share definition Flag A mother that you'd like to fuck, that was once hot; but now she doesn't look so good After seeing Britney Spears with her head shaven,I think the milf's gone bad. Milf's gone bad by Charles Reardon April 22, 2007 0 0 Get merch Get the Milf's gone bad mug. Buy Now — $32.95 See more merch