A term used to describe great sex.
The term is derived from the phrases "he blew my back out" or "I blew her back out" when describing great sex to others.
Girl, I had a blowout last night! He let me have it!

Imma go ova der and give her a blowout!
by Kiwidababygenius August 15, 2008
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Explosive diarrhea that is so massive and powerful, that it distorts the space-time continuum.
Following the consumption of some sketchy Thai food, Jay’s terminal blowout obliterated an entire public restroom...and he hasn’t been seen since.
by Done it all dave November 1, 2020
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A phrase allegorious to the term "sausage-fest", only refering to women.
"Hey Becky, want to split this joint? It is such a Carpet Blowout in here"
by Sivart Ferguson February 10, 2010
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When you shit so hard that your butthole is blown apart/torn.
That Taco Bell I ate last night resulted in a butthole blowout this morning.
by Bpetro October 20, 2014
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When ur vegan coffee makes your bowels uncontrollable
Dawson drank the vegan coffee and had a veggie Blowout of epic proportions
by Hiwhatzup December 8, 2016
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Getting the squirts after a fine night out at a Mexican resteraunt. Toilet bowl usually appears as if it is buried in mud after blowout commences.
Wow, that Chipotle is really getting to me, I hope the Mexican blowout doesn't occur in my trousers.
by Toiletry&FineDining March 12, 2015
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Ian: Excuse me Megan, that breakfast sausage is getting to me... I have to go have a buffy blowout
by BruderMok October 18, 2014
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