Top Definition
The one required toilet flush at the end of one's defecation. unlike a courtesy flush , which is not required, this is a mandatory flush in toiletry etiquette.
I wish John had used a courtesy flush so he wouldn't stink up the bathroom, but at least he remembered the complimentary flush after taking a shit.
by 1badmotha February 06, 2009
5 Words related to Complimentary flush

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