Cheese Share definition Flag "(A) Cheese", "Cheeseing" or "Cheesed" comes from the word "cheating" AND IS EITHER an exploit in a game that the developer did not know about (aka A cheese) OR when someone uses that kind of exploit (aka Cheeseing OR Cheesed). 1: - Oh f*ck, we left a cheese in the game!2: He's cheeseing the level.3: - Crap, someone just cheesed my bossfight. Cheese by RAZ369 September 8, 2018 Get the Cheese mug.