cum bumps 

typically refers to a homosexual act in which, one partner snorts semen into their sinuses, similarly to snorting a line of coccaine.

After Seth farted out Jamie's semen, Jamie proceeded to do cum bumps off of Seth's buttocks.

cum bumps by 40 oz. Phil November 8, 2007

cum bump 

a failed facial in which semen is accidentally and forcefully ejaculated into a nostril

my boyfriend wanted to give me a facial, i ended up getting a cum bump!

cum bump by roperdoper November 13, 2021