bombay slapdash Share definition Flag After a (preferably hot) curry, covering the breasts of your partner in liquid filth and receiving a tit wank My girlfriend's a dirty bitch, she even lets me give her a Bombay Slapdash. bombay slapdash by Jonny Hotplate October 9, 2003 0 0 Get merch Get the bombay slapdash mug. Buy Now — $32.95 See more merch