Slam Closet Share definition Flag Where you take a shit so massive that is can be described as slamming the toilet. "What did you eat Dude, your Slam Closet smells like pumpkins and garbage!" Slam Closet by Jut36 October 29, 2009 0 0 Get merch Get the Slam Closet mug. Buy Now — $32.95 See more merch