The act of gay sex, in which a man cuts a penis-sized hole into a cucumber, slaps it on his dick and repeatedly bangs his man friend until the cucumber turns to slop. This can be very fun for both men.
Lad 1: Maaan, cucumboning is so fun, I can't wait to be cucumboned by my bae tonight!
Lad 2: You're such a dirty scrub.
Lad 2: You're such a dirty scrub.
by Worrying Anal Seepage November 24, 2014
Get the cucumboningmug.