pub butt Share definition Flag The sweaty and tingling sensation produced in the buttocks after consuming several pints while sitting around for hours on end at a local pub. Last week I had serious case of pub butt after spending all Saturday at Smitty's watching football. pub butt by ruraldick June 9, 2019 0 0 Get merch Get the pub butt mug. Buy Now — $32.95 See more merch