Tomomo Share definition Flag A crappy mary sue artist who rapes cannon characters and majorly sucks ass. "Some girl at that con spit at me. She was such a Tomomo" Tomomo by JDFHidojfoifjdlwjiJOIXSJDJDKsu April 26, 2009 0 0 Get merch Get the Tomomo mug. Buy Now — $32.95 See more merch