The ACTUAL non-sexual definition is a kerotin hair treatment that smooths your hair and makes it super soft and shiny. If taken care of, it should last 12 weeks up to 6 months.
My hair was super frizzy, but then I had a Brazilian blowout and now it's smooth.
by Annoying Ninja June 13, 2013
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1. when all the stuff inside a burrito sloshes out onto your pants and you start raging

(it only works if you paid more than 7 dollars for that burrito)
guy 1: "ack! its a burrito blowout!"

guy 2: "Hey ur getting it all over me"

guy 1: "YOU! EMPLOYEE! gimme a refund!"

employee: "no refunds"

guy 2: "gimme some new pants or i call teh poleez on you"

*guy 1 runs away*

*employee takes a stress leave*
by craisins.inc May 24, 2018
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First described by Dr Fred, it is the term used to describe
pubic hair extending from the confines of a womans bathing suit.While on the decline for a while, it has made a comeback as the retro pubic hair style has returned
wow, that girl needs a waxing, look at her bush blowout
by imz14u March 24, 2011
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Food poisoning and subsequent aftermath resulting from bad sushi.
Oh man.......... I knew the uni was off when I tasted it. An hour later, I suffered a Tokyo blowout.
by whalebacon September 14, 2009
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1. When a baby or anyone who wears a diaper had a bad poopy accident full of diarreha and poo goes everywhere making a mess and getting everything stinky.

2. When someone spills pepper on the chairs at wendy's, and it looks like hundreds of little bug terds.
1. Upset mom: P-U! I think we should pull over on the side of the road to take care of the kid's diaper problems.

Grumpy dad: Darn that diaper blowout is so stinky!

2. Girl: Whoops, there goes all of my pepper! Oh well, I gotta go.

Wendy's Worker: Oh darn, someone left a serious diaper blowout for my to clean up, so nobody can sit at this table until I clean.
by cufused_kris June 29, 2009
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When a woman gives oral sex and shits her pants.
Dude! My girlfriend was giving me a blowjob when out of nowhere she shits her pants. It was a total blowout
by MGZeke June 21, 2018
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When a girl with a shaved pussy queefs on her partners face.
My face was all sticky this morning.
Y?
My chick gave me a Brazilian blowout last night.
by kstan3 October 11, 2010
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