To have successfully had sexual intercourse with 3 generations of a single family.

Most commonly accomplished with a daughter, mother, and grandmother.
I thought pulling off the roommate switch was tough, but can you believe George pulled off the trifecta with the Andersons?
by BillVallier April 11, 2012
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a group of three close woman friends
juani, lanna, and allie constitue the WAC trifecta.
by allie June 17, 2004
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trifecta comes from the prefix tri- meaning 3/tripple. A trifecta is a twist on the Eiffel Tower. It is when three girls are in doggy style position faces turned to each other and three members of the squad are hitting it from the back all holding hands in the air to form an Eiffel Tower trifecta. see squad fuck
"yo i heard Jake, Connor, & Bryce squad fucked those tent-walkers and it was definitely trifecta dog!"
by not BryceGuzman September 13, 2014
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Taking pills, smoking weed, and drinking some booze in the same night. Like extacy, weed, and beer.
Mike:"Hey man I got that herbal essence that I was telling you about."
Bill:"Sweet I got the pills"
Mike:"When Jack gets here with the beer, we're gonna get this trifecta started."
by Broncoboat4x4 February 15, 2008
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a perfect group of three, who are equally superior within a group. One is wise, one is on the run and the last is funny. Put them together will create an unstoppable trio.
Boy: Yo its the trifecta
Girl; OMG
by Pakistani Coconut May 1, 2023
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When you mix propane,anhydrous ammonia and natural gas in one bottle and lose your front teeth.
Did you see Dave trifecta his face with the propane bottle.
by Charlie andouille February 11, 2016
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