omcm Share definition Flag Another term for the word "omsim" which when read backwards is "mismo". Mismo translates to "exactly" or "you're right" or "I agree". Boy1 : Pre ang pangit ng GF mo.(Dude, your GF is so ugly) Boy2: Omcm. omcm by teasewyawn February 9, 2023 0 0 Get merch Get the omcm mug. Buy Now — $32.95 See more merch