Top Definition
Flartching is achieved with 3 persons, one of which needs to be male. The male partner achieves orgasm in the ass of another partner. The third party then sucks the orgasm out of the ass of the second party, preferably with a straw.
Mike just had a threesome with Jill and Jane. I guess they were flartching up the mess.
by nemisis1277 February 10, 2010
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