Moo Moo Cow Share definition Flag A very fat woman, can be used as an insult directed toward a guy, could imply that said guy likes "Moo Moo Cows" Alex: you Moo Moo Cow!!!! Carter: I only nudged into you, Jesus effing Christ! Moo Moo Cow by scottbiker May 15, 2009 0 0 Get merch Get the Moo Moo Cow mug. Buy Now — $32.95 See more merch