Cheese on your chin Share definition Flag Being so intoxicated that you fail to talk sense or function like a normal person. 'Dude, did you see how fucked up I was last night?' 'Yeah you had cheese on your chin.' Cheese on your chin by Qtips12 October 14, 2016 0 0 Get merch Get the Cheese on your chin mug. Buy Now — $32.95 See more merch