Mooooo...bs Share definition Flag Boobs or breasts that are abnormally large. Like those of a giant. The Omega of all tits. Thus, MOOOOOO....BS. Dude, check out that hot bitch with the gigantic Mooooo...bs. Mooooo...bs by Sempai2055 June 16, 2018 0 0 Get merch Get the Mooooo...bs mug. Buy Now — $32.95 See more merch