pootsi kaatsi Share definition Flag A word that can used as a verb, and a noun. The typical beat box sound one makes with the mouth. Dude do that drum beat thats like "pootsi kaatsi". Don't make me pootsi kaatsi on your face. pootsi kaatsi by jakewww September 20, 2006 0 0 Get merch Get the pootsi kaatsi mug. Buy Now — $32.95 See more merch