A mideval device,which was used to execute villigers by beheaded them with a large blade chopping threw there necks
Any medeval movies you can see a guillotin
by Big Synps March 7, 2009
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A very old French invention, typically with a large wooden frame, and a very sharp slate of metal attached to a rope. The person being executed is then laid down in position, the rope is pulled and they are decapitated.
"Today, at the hanging, we have two contraptions instead. An old-fashioned rope, and our new invention, the guillotine. It is swifter, and cleaner and has no chances of survival."
by Intellectually Inclined Person February 23, 2019
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A 'practical joke' that involves lifting the seat of a toilet, and intricately defecating on the front lip of the bowl. You then delicately place the toilet seat on top on the freshly laid nugget, and evacuate the stall.

Ideally, your intended victim will come along to enjoy their peaceful abulution, drop their pants and proceed to sit down.

The result of their bodyweight on the toilet seat will sever a section of turd and eject it like Mary Antoinette's head into the victims awaiting pants.

Everything going to plan, you will have successfully shat in someone's pantaloons while they are wearing them. And probably irrevocably burned any bridges of friendship in the process.
Mark laid the guillotine in the camps mess toilet. Now they have taken all the seats away since we clearly can't be trusted.
by C Spiceyweiner June 4, 2018
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A sexual position involving two females and one male participant. The two females spread legs and meet vagina-to-vagina (also known as scissoring) and the male inserts his penis into the center; so named the guillotine because his 'head' gets cutoff by the scissors.
I lost my crucial head to a guillotine with two skeezers I took home from the bar last night.
by Joey_330ci July 25, 2010
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Extreme woman muffin top that you need to lift up when you wanna engage in sexual intercourse with a ginormous rhino of a chick. When that muffin top flops back down after insertion, it basically does to your dick what a guillotine used to do to people's heads.
George: "whatsup dude how's your penis?"

Tom: "Not too good man, last night I fucked this bitch while I was really drunk and she definitely was packin the guillotine"
by lil bastard December 14, 2010
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a prank when you are over a friends house, and you call his girlfriend and tell her he wants a blowjob, then hide in the closet. when she is sucking his cock, you jump out of the closet naked and surprise her, causing her to bite down on your friend's dick.
wow that guillotine left a mark on my dick for months
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A submission often seen in no-gi bjj or MMA; also great for self-defence.
The rugby kid leg tackled me with his head down.... I just whipped in a guillotine and choked that jock out.
by RRJHK November 14, 2012
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