when one get heads from someone with a tracheostomy and the act of cuming causes your load to blow back on your balls
My girlfriend gave me good head last night to bad her tracheostomy caused major Blowback.
by zman1000 January 8, 2012
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when you're squeezing out a fudge dragon and the splashing water hits your fart box.
Ted- Damn dude I caught some major blowback during my after chipotle dump...

Red- Sick.
by rod vonhugendong June 16, 2010
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the substance that splashes back onto your ass when you take an explosive shit.
dude, that shit had some serious blowback!
by shizzlebear September 29, 2005
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1. The expulsion of anal pear and accompanying detritus during gargantuan anal orgasm.
"Walt screamed in horror and ecstacy as his anus erupted in orgasm. Without warning, the nose cone-shaped dildo exploded into the air and struck Juanita directly in her left eye, horribly blinding it forever. It was another tragic case of blowback."
by Horus Perineum, Phd June 2, 2003
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When you have to hold in a fart due to being in a public or enclosed space (airplane, subway, car) and the fart rumbles back up into your plumbing. Over the course of several hours, a serious queue of un-expelled farts will build up, prompting an extended cropdusting at the earliest convenience.
Joey: Dude, that 8hour flight from Frankfurt was murder. I musta had about 40 blowbacks.

Chandler: Ouch. How'd you eventually clear the backlog?

Joey: I waited till there was nobody behind me on the slidewalk, and did about 300 feet of cropdusting!
by TheRob September 14, 2007
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When your cumshot hits your own face.
I was fucking this girl and when she pulled out my dick to finish me off she aimed it the wrong way and gave me a blowback.
by DMITCH November 2, 2007
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It is when someone (more than likely a male), takes it in the butt and whoever is on the giving end deposits some semen. the "blow back" occurs when the receipient farts it back out on to the "giver". Hence the term "Blow Back"
I was with my "life partner" going hot and heavy and decided to leave him a gift, he decided to take my "gift" and Blowback on me.
by Arrogant Carroll May 17, 2013
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