GIMF Share definition Flag A "Grandma I'd Maybe Fuck"A term coined by Ashton Watson and Jon Fabian while hunting panthers. "See that panther right there" "Na dude thats a Gimf" "whats that ?" " A grandma I'd Maybe Fuck" GIMF by Steverobs October 27, 2011 0 0 Get merch Get the GIMF mug. Buy Now — $32.95 See more merch