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When two males or females simultaneously take a crap while in bathroom stalls next to each other. This may include a friendly conversation between said parallel dumpers.
"Hey dude, wait up- I have to take a shit"

"I'll just go with you- wanna parallel dump?"
by Whateverdude July 23, 2013
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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