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v. To clean a piece of cookware by water only. Afterwards, drinking the water.
"To conserve water on the camping trip. The group sumped their dishes."
by TC October 12, 2004
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2
The sump is a place in East Williston were you can only go if someone who goes there invites you. You hangout there and get drunk/high. Its a HUGE fenced up big hole in the ground with lots of trees.
I was at the sump last night with the gang and man did we had FUN.
by Ravenn May 31, 2007
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3
A large bowel movement, especially following a night of heavy drinking.

From: "sweaty dump"
I'll see you later, time for a sump.
by black pasta September 18, 2010
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5
Another slang word for Anus.
Fucked that sheila last night in the sump.
or
You love it in the sump you dirty prick!
by TJ Aisthorpe June 20, 2006
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