When two men are having sex with a woman at the same time (one vaginally and the other anally), and their nut sacks hit one another.
My girlfriend wanted a threesome with another guy, but I didn't want to do it, because I was scared me and the other guy would be bumping plums.
by Jerry B Black August 31, 2010
Get the Bumping Plumsmug. A'Nyla: Nico have you heard about Jiya and Craig
Nico: No what happened
A'Nyla: they were caught bumping biscuits in the bathroom
Nico: What does bumping biscuits mean?
A'Nyla: it means they was having sex in the bathroom
Nico: No what happened
A'Nyla: they were caught bumping biscuits in the bathroom
Nico: What does bumping biscuits mean?
A'Nyla: it means they was having sex in the bathroom
by Queenoftheclownslmao December 16, 2020
Get the Bumping Biscuitsmug. hey girl he's hot i'm going over to talk to him. oh shit look at that skank in my way trying to "clam bump me".
can you believe i was just "clam bumped".
can you believe i was just "clam bumped".
by stewy loom April 19, 2011
Get the clam bumpedmug. to knock wii controllers together to congratulate accomplishment or acknowledge excellence. similar to a fist bump.
When Elizabeth bowled a turkey in the tenth frame of Wii Sports bowling, i gave her a well-deserved Wii bump.
by whatyoutalkinabout? December 29, 2008
Get the wii bumpmug. 
Get the chick-bumpingmug. The large protrusion seen through a females' pants just above the the vag typically right under the belt buckle. Not to be confused with either a Fupa or cameltoe.
by super ninja panda December 17, 2008
Get the Vagina Bumpmug. by Mark In The Dark Kelly September 7, 2003
Get the bumping ugliesmug.