When you're taking a piss and you flush before you're done pissing and you have to finish before the toilet is done flushing. Many have made contests out of this and a scoreboard is recommended. DUDE GAME!
by Flush and Rush May 8, 2016
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When you take laxatives and ipecac and then engage in sexual intercourse. When timed correctly, you both orgasm, vomit, and defecate simultaneously and fall asleep in a steaming morass of your own filth.
Could we please not get a motel room that smells like it was just the scene of a flush rush?
by tlaketiger119 December 3, 2009
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to flush the toilet prior to taking a dump to avoid the smell, sound of embarrising clashing water, (and most of all) the waiting for the feces to go down the pipes.
Ryan- Hey man whyd u pause the game?
Chris- I have to take a dump but i promise to stay in a pre-flush rush mode.
Ryan- Alright good, thanks man.
by Chris Hrris August 15, 2007
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the feeling of happiness and relaxation after taking a nice big shit.
donny: (with a big smile on his face, reclining into a chair) ooooooooooooooooh yeaaaaaaaaaahhhhhhhhhhhhh i feel better!

scotty: whats up with you man, you just hit a bowl or something?

johnny: nah dude, he just took a big shit. i hear him moanin' and groanin' and all that shit, and the plunger going.

donny: i got the after-da-flush rush!
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