Tumbiumbi Share definition Flag Having someone rub your belly sensually to help activate digestive system and help one poop. Pooh Bear said to Piglet “Oh dear, I seem to be backed up. Let me put some Boyz II Men on while you give me a Tumbiumbi” Tumbiumbi by whichwitch’swish April 1, 2022 0 0 Get merch Get the Tumbiumbi mug. Buy Now — $32.95 See more merch