the act of cumming on ones hand then slapping someone with the cum hand.
"what are you doin g?!??!"..."jacking off get out!"...."whats in your hand???""....*Clump!!!!*.. (the action of clumping)
by FunnyWhileClumping February 3, 2012
Get the Clumping mug.
The act of "humping" in a "clump" of trees. Can be used in a broader sense to embody all acts of alfresco activities.
Me n the Misses went Clumping today
by Hesteroy1902 April 22, 2011
Get the Clumping mug.
If that chief don't show up with my money he's gonna get a clump in da face ya know
by sy662 February 2, 2009
Get the Clump mug.
The act of dehydrating ones self before masturbation/intercourse, in order for your sperm to look like cottage cheese
Dude 1: Tom's mom told me the other day she was lactose intolerant but she loves cottage cheese.

Dude 2: So?

Dude 1: So I decided to give her a good clumping.

Dude 2: Gross!
by CommoDick September 12, 2011
Get the Clumping mug.
The result of a errant facial where semem beads are stuck in the girls hair creating a clump.
I was going for a money shot but I guess my aim must have been off, boy did that girl get clumped.
Get the clumped mug.
The act of clinging and humping at the same time.
When I see Maxi, I'm going to clump him
by Anonymous July 29, 2003
Get the clump mug.
To fill cover or fill with jizz.
i got crazy after that porno and clumped my car.

i totally clumped her face both ways.

she got clumped from the neck down.

i cant believe i clumped the entire fish tank
by Kirkdog and Jizzmaster May 22, 2010
Get the clump mug.