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1.
Sneaking away to take a dump. snumping
Linh: Jball did you just go for a quick snump in my restroom?
Jball: No..
Linh: oh you little snumper!
by yo yo yo its b-money April 23, 2008
 
2.
A combination of snubbed and dumped.
Chimpy the chump got snumped, but he's ok with that, he's got other friends.

The plump frump gets pumped in his lumpy rump by a schlumpy mugwump, so his snumps don't really make the chump grumpy.

On Mondays, he and the schlumpy mugwump go mumping at the cemetery, and on Fridays, the schlumpy mugwump and the plump frump with the lumpy rump spend all day flumping, then cumping over their clumped dumps after
the plump frump blumpkins the schlumpy mugwump.
by Snumpy November 05, 2012