Vitamin Cheese Share definition Flag A slang term for getting high off of cat urine, also known as cheesing Did you get your Vitamin Cheese today? Yeah dude, I'm cheesing my f'ing brains out right now! Vitamin Cheese by snowskate March 30, 2008 0 0 Get merch Get the Vitamin Cheese mug. Buy Now — $32.95 See more merch