Momopped Share definition Flag To Momopp(past tense). Originating from "mom"(someone you trust/that is close to you) and "opp"(your enemy). Ellis: I heard your dog bit you.Gavin: Yeah, I totally trusted him!Ellis: He Momopped you. Momopped by ItsReborn October 23, 2022 0 0 Get merch Get the Momopped mug. Buy Now — $32.95 See more merch