N3MO Share definition Flag Controvesial girl gamer, Gamespot wanker and resident moomoohead. A hardcore purist that is loved by many. Did you see N3MO, the moomoohead, talk about why GTA III is worse than rape? N3MO by Donutta June 5, 2004 0 0 Get merch Get the N3MO mug. Buy Now — $32.95 See more merch