Mamimimimooma Share definition Flag Mamimimimooma is another way of saying 'mum' and can be used to annoy people. Chad: "Hey Jeff, Mamimimimooma" Jeff: "Fuck you, Chad" Mamimimimooma by Tomsy_Online July 22, 2023 0 0 Get merch Get the Mamimimimooma mug. Buy Now — $32.95 See more merch