is an honorific or title that is used to address a French-speaking man, but can also be used as an equivalent of Mister/Sir.
- Monsieur Pierre Fauchard is known as the "father of modern dentistry".

- I asked a little change but that monsieur ignored me.
by Aberrantmétier April 08, 2014
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Someone with an enormous rock solid dick, that every woman dream about.
Look at Daniel over there with his huge weiner , what a monsieur béton !
by RobMichels December 07, 2018
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A muthafuckin badass geniusly crazy artist.
He's tryna keep art alive, and he's dying. Such a monsieur monstro. Lets make art great again.
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The opposite of Mr Beast - an evil genius who has a curly moustache, eats baguettes, cuts off your arms and legs, and steals $100000 dollars from people.
Person 1: Did you see that new monsieur bacteria video?
Person 2: YESS! He put down every dog in the pound
by dreamlovesyou_ September 15, 2020
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1. Derived from the french food croque-monsieur. It means somone who prefers gardening with an uphill slant. Someone who drills marmite. A bender.
Look at the way he walks! I bet he's a cock-monsieur.
by WhosYourDaddy January 14, 2004
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A french canadian employeed in the information + technology industry.
"Yeah I would have got that raise but Monsieur Douche fucked me"
by James March 19, 2004
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