it’s when you put their head between your legs and squeeze as they blow you.
Damn bro my friend has on only fans, and her boyfriend apparently guillotined her on that shit.
by Fortherbois January 13, 2021
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A three way but everyone is choking each other
I passed out while performing a three way guillotine last night. It was great.
by Brotisserie Chicken December 19, 2017
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When a prostiute is sucking your penis and someone sneaks up and hits her (or his) head and underside of her jaw together to close her mouth quickly biting the head of your dick off.
The night before jimmys wedding at his bachelor party his best mates gave him the Vegas Guillotine
by Daniel Orangetree March 13, 2018
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A sex act where one party holds their penis on a coffee table while the other covers their bare foot in marinara sauce and olive oil before stomping on it. A variant of "dick flattening."
"My girlfriend has gotten bored with our sex life, she wants to work food into it."
"Like she wants to pour chocolate sauce on each other?"
"No, like she wants to give me the ol' Italian Guillotine."
"That's a-spicy dick flattening!"
by BDYY June 5, 2022
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A term for throwing kitchen knives to people.
"Jackie Chan's in the kitchen. There will be a lot of flying guillotines in this scene."
by ill-paid February 7, 2016
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The accidental act of zipping up one’s pants when one’s penis is obstructing the process.
Cletus: I got guillotined again, I bled a fuck-ton. I think it’s gonna leave a scar.

Jeremiah: Who the hell asked?
by Heughicopter March 24, 2020
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When a girl with her 4 front teeth are chipped diagonally, resembling the angle of a guillotine, is giving you head with ounces of lube being used and slices down cutting the tip of your penis.
"Bro, some cracked bitch gave me The Slimy Guillotine. Shit hurt."
by people_like April 29, 2022
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