funk ass Share definition Flag a foul or raunchy smell (like the kind of smell when someone leaves food in their car for a really long time) When Natalie got into Libby's car she said, "damn homie, yo car smells like funk ass" funk ass by Libbeth December 19, 2005 0 0 Get merch Get the funk ass mug. Buy Now — $32.95 See more merch