When you're about bust a nut in her mouth and whisper in her ear "kachow."
Becky: *Sucking Juan*
Juan: *about to bust a nut and whispers in her ear* "kachow"
by StultifiedJohnny July 26, 2017
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Kachow means something that is going fast zoom

Something to scream at your neighbors while mowing the lawn
While walking down the street like an idiot he was Kachowing
Before you win a race
Lightning McQueen's iconic phrase
I KACHOWED down the street after my report card was delivered
by bananapopsocket January 12, 2019
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1. The Act of Screaming the phrase Kachow as you ejaculate on to a person of the opposite or same sex.

2. A nickname for the final nut, or the end to your sex life.
"Kachow" screamed Jacob, as he nut across the room.

I warned her before sex that I would "Kachow" but she still couldn't handle it.
by Yello_Fello April 2, 2019
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A catchphrase of the sexiest car alive. I want his 340-cubic-inch (5.57-liter) V-8 engine all up in my exhaust pipe if you know what i mean.
"Kachow", he whispered softly as he downshifted his gears into my throat.
by Mickolas Jagger November 6, 2018
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An event unexpectingly funny
We thought the politician was going to be serious until kachow, he started cracking jokes
by Wash509 September 14, 2018
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what lightning mcqueen moans during sex/when he cums.
oh fuck. oh fuck... kachow. kachowwwwww.
by mstorchgod January 20, 2021
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