gentleman's flush

the proper act of flushing one's toilet mid-way whilst taking a dump

usually a precautionary action in order to avoid clogging the toilet

especially important when plumbing is mediocre, and strictly unnecessary on aircraft lavatories

it has nothing to do with poker
after Thanksgiving most people usually forget the Gentleman's Flush and end up clogging their toilets.
by jonathan_cuervo November 29, 2009
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flush the ducts

ejaculation by means of masturbation
preventative measure to reduce the risk of prostate cancer

'Flush the ducts'
The new study, published in this week’s Journal of the American Medical Association, was based on an ongoing survey covering a variety of health issues of thousands of men who were 40 to 75 when the study began in 1986. In 1992 they were asked to report the average number of ejaculations they had per month during ages 20 to 29, 40 to 49 and during the previous year. In later surveys they were asked to report if they had been diagnosed with prostate cancer.
Why are you taking so long in the bathroom, Johnny?

Im just flushing the ducts, mom!
by a dawg April 07, 2004
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Courtesy Flush

When someone has dropped a nasty shit in a public bathroom that subsequently begins to stink in the next stall. The dropper of the nasty shit must flush his/her toilette to rid the bathroom of the shit smell that is being realeased from the fresh shit pile.
Hey u next to me, you're shit smell is making me light headed, can you give a nigga a courtesy flush.
by CpnIt October 05, 2009
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double flush

when you poop in the toilet and you flush it and look back and there is still some poop there or skid marks, you give it another flush and its all gone
Man, i took such a huge poop the other day i had to double flush that sucker.
by Cortizz April 25, 2008
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Royal Flush

The physical act of pushing a person's head into the toilet and pulling the chain (or pressing the button, for all you modern cistern types).

Suitable initiation/punishment for freshmen, especially new attendees of upper crust boarding schools (making the "Royal" especially apropos).
So, whatever happened to that young pimply Venables boy we saw around the traps?

I gave him the Royal flush during recess.

Very good, Hawthorne.
by vanderspoor August 26, 2011
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Pre-flush

To flush the water-closet prior to defication thereby lubricating the porcelain, thus mitigating the effects of a crash landing.
'Dont forget to pre-flush darling, you do know how you love to crash-land'.
by McGinty September 02, 2006
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Courtesy flushing

When some one at ones friends house flushes the toilet for every individual piece of crap to avoid clogging
Boy 1: I gotta go shit

Boy 2: make sure you use courtesy flushing!
by likeaboss9000000 February 17, 2014
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