When you gape the anus of your partner, just to spit a single orb into their anus.
Come on up stairs steve were spittin in bums! Gonna have a blast bum spitting.
by SenorSamGrams May 9, 2017
Get the bum spitting mug.
A synonym for swill, bad, harsh or otherwise low-quality alcohol.
That vodka we had last night was bum spit! We should drink something of better quality next time because it gave me a wicked hangover.
by jsnyjnel February 8, 2008
Get the bum spit mug.