1. A cross of a turtle and a dinosaur.

2. A person who is a fat ass and kiddnaps princesses as a hobby.
1. That turtle and dinosaur had a baby bowser!

2. Princesses Toadstool, Zelda, and Bubblegum were all kiddnapped by a bowser!
by pooploser64 January 13, 2013
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A fire breathing turtle that somehow always gets his ass kicked by an Italian plumber. He also is sexually obsessed with princess Peach to the point where he'll capture her hundreds of times, even if he knows he'll end up getting an ass whoopin' every time.
Peach: "Why do you always capture me? You know Mario is just gonna kick your ass again like he always does."
Bowser: "Shut up, maybe this time it will be different."
by Dubiks August 25, 2018
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A derogatory term used to lash out at those who dislike the conventional girl-next-door.
Person A: I'm not really a Lindsay Lohan fan-
Person B: I'LL BOWSER YO ASS
by Mario Party April 2, 2007
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n.An individual who blocks or attempts to block another from mating with the object of affection. Origins are the classic Mario video games where the Bowser character would prevent Mario from rescuing and procreating with the Princess.
"Dude, I almost made it with that chick until you told her I had AIDS. You're a total Bowser."
by Bobby Two-tone July 12, 2008
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1) A mario video game villian.

2) A kid in serious need of a shaving, who needs to put down the flannel and stop wearing pajama pants.
Bowser, either you shave off that dirtstache or I'll wax it off. I mean it.
by twat. February 20, 2007
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A term originating in Riverdale, USA to negatively describe someone or something that is uninteresting, annoying or generally unappealing.
"Can you believe Reggie hooked up with Midge again?"
"Ugh, what does she see in him? He is SO bowser."
by Archie Andrews November 15, 2007
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Communism. Straight up communism.

For context, in Mario Party 1-5, DS, 9, and 10, landing on a Bowser Space would yield one of several...less than admirable outcomes (stealing coins, stealing stars, forcing a rigged minigame, etc.), one of which is called Bowser Revolution.

When a Bowser Revolution event is pulled, the game takes every last coin from all players and divides them up equally between everyone, regardless if they had less or more coins prior to the event (hence the nickname).

Great for those lagging behind, infuriating for those with the coin lead.
Guy 1: *10 coins* Fucking Bowser...

Guy 2: *76 coins* Have fun~

*Bowser Revolution*

Guy 1: YAY COMMUNISM!!!

Guy 2: *one trip to eBay for a new controller*
by LambdaBelmont July 19, 2018
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