1. To defacate
2. To have a bowel movement, usually a large one, as a dump is symbolic of large quantities
1. "Oh hey, before we go on our road trip to Oklahoma, I should take a dump." Friend says, "Yeah, there aren't any toilets in the country."

Or

2. "Oh man, why did I eat all of that Mexican food? I'm gonna have to take a huge dump, I'll be back in a week." Friend proceeds to hang a radioactive sign over the bathroom door for the next 30 years.
by khaan111 June 21, 2009
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The phrase you teach your 4 year old grandson to say when he needs to tell his mother he must have a bowel movement. The grandson is given to understand that the phrase must be spoken loudly in public places.
by harry flashman July 13, 2003
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(variants: crap, squat, poop, or shit may replace dump)

to defecate
Come on, find a rest stop already. I have to take a dump.
by Light Joker April 5, 2005
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1) to take an enormous shit, especially in the way of a "power dump" where the excrement quickly and powerfully leaves your anus

2) When a machine or electronic stops working or breaks, for no particular reason. Also known as "shat the bed"

3) An exclamation often used by people when they want to tell somebody to "fuck off" but are too afraid. Often used by kids and teenagers. The word dump is enunciated in a long way, so as to be spelled duuuummmmppppp!!!
1) Dude, i have to take a dump!!!

2)Kid 1: Why can't we play your XBox?
Kid 2: Cuz it sucks and it took a dump.

3)Dad: Go clean your room!
Kid: Take a duuummmmpppp!!!
by HOWNOWBROWNCOW88 July 31, 2008
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Or aka deficating, shitting, pooping. Also can be seen as taking a crap, taking a shit, dropping a load, dropping the kids off at the pool, clearing the traffic jam on the hershey highway, dropping a bomb, shooting the torpedo, some people would say they are having a baby (that would be a bigass piece of shit). Personally this is one of my favorite times of the day when I sit down and get creative, I enjoy reading while I take a dump.
Yesterday I got home from work and the doorbell rang, I yelled," I am taking a dump! Come back in an hour!"
by seanflow May 16, 2006
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