poobus Share definition Flag when you shovel 78 (exactly) blueberry flavored mini muffins into you or another woman's vagina yo, chris and his bitch did a poobus last night. kinky ass motherfuckers poobus by poobuslover42969 March 26, 2021 0 0 Get merch Get the poobus mug. Buy Now — $32.95 See more merch