Basildon Smile Share definition Flag A phrase to describe the protrusion of one's hairy arse crack above one's jeans when they bend over. Fucking Hell Jim, pull 'ya breeches up! You're givin' me the Basildon Smile Basildon Smile by selbatron November 9, 2018 0 0 Get merch Get the Basildon Smile mug. Buy Now — $32.95 See more merch