Grimace Ask Urban Dictionary about Grimace Share definition Flag An obese pear shaped woman. "Damn, bro. Remember that time you brought that Grimace over to my house? What the fuck were you thinking?" *Laughs so hard I cry* Grimace by Lhyight March 8, 2023 0 0 Grimace Merch Get the Grimace mug. Buy Now — $32.95 See more merch