When one flushes at any point during (midway through) "number two" as an attempt to reduce/diminish the overall smell.
One could request a "sympathy flush" from the individual in the adjoining stall of a restroom, should one experience an unpleasant odour. "Ummm...I think that merits/merited a sympathy flush. Dude - did you have mexican for lunch?"
by Kooky23 October 19, 2009

When you're about to win Fortnite when the controller disconnects, you rage so much you flush the fortnite disk down the toilet
Ninja: FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU!
Me: ...
Ninja: FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU!
Me: *hears toilet getting flushed in the background*
Me again: Ninja's Toilet Flushing
Me: ...
Ninja: FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU!
Me: *hears toilet getting flushed in the background*
Me again: Ninja's Toilet Flushing
by ZeBurgerCow June 15, 2018

When you are finished with the toilet, but you stay seated whilst flushing to allow the mist produced by the toilet to caress your underside - creating a moist (but not wet) tingling sensation on the lower ballsack.
Neil: Am I the only person who uses the toilet for Flush Misting?
Dave: Yes, you weird, weird person...
Dave: Yes, you weird, weird person...
by Neil'sDadisABumber June 10, 2016

by VIRAL420 July 2, 2016

The painful, though ultimately satisfying, process of removing all extraneous fecal matter from a screenplay in an effort to reduce page count and to inflict less damage on prospective readers.
After his first draft of "Man Goes To Grocery Store" clocked in at 175 pages Timmy realized it was time to look into flushing out his bloated script.
by Talon T. Ville June 11, 2014

I was on ft with my best friend and she heard her sister in the other room and she didn’t know what to do. I told her to do the nasty flush.
by Know one knows?????? August 5, 2019

Flushing the toilet as soon as the terd hits the water. A common courtesy owed to all patrons of public restrooms.
by Flushonsplash August 2, 2012
