When someone falls asleep with their mouth open, and you shit in their mouth.
Dexter fell asleep at the party last night, and Jasper gave him a city dump.
by Bookitty May 31, 2014
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A loose stool or dump used to express that one needs to take a dump.
Man I ate so much at lunch I gotta take a dump city.

Man that girl gave me a ballcuzzi, but it caused a dump city.
by Pat Burrell September 17, 2008
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n). the 3 yd radius that surrounds the pile of shit you just shat.
Jon: Dude im going to dump city by that tree
by Ramon91 August 9, 2009
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