Cum Knife Share definition Flag When a certain person steals a knife from their kitchen and shoves it up their cunt, hides it behind their bed and to keep it more hidden puts an Aizawa body pillow over it. "Yo, did you know they totally have a cum knife" "What? No way!" Cum Knife by AsraLeGay March 7, 2021 0 0 Get merch Get the Cum Knife mug. Buy Now — $32.95 See more merch