Blastoise is a big cat turtle pokémon with big guns on its back and it mega evolves and gets three more guns on its back and wrists. it is a water type and evolves from wartortle, which evolves from squirtle. blastoise is the best starter in my opinion
Blastoise, go!
by Hugog November 19, 2019
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When you are having sex with a female, and she is about to orgasm get a hose or two and squirt it into her vagina and ass and scream "Blastoise use hydrocannon!!"
I was gonna give that Bitch a Blastoise but she didn't want a hose in the bedroom
by denser then you March 6, 2019
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Well, It's when your cum overloads and makes triplets in a bitch.
by Avery Fucking Price April 6, 2018
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The act of having wild vigorous sex while blasting sex music and timing your orgasm with the point the the music hits the highest note and screaming out the loudest moan that has ever been moaned.
Ah ah ah ah ahhhhhhhh blastoise baby!!!!!!”

“Dude the couple upstairs were doing that blastoise thing again, it woke me up at 4 in the morning”
by Ash Ketch-Cum October 11, 2018
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To forget proper etiquette when overcome with interest in or admiration for a new technology. Understood to be at best a faux pas, at worst a sin. Of Victorian origin.
To blastoise is to blaspheme, gentlemen, against good Mother Nature, and against your humanity.
by Dhakian December 29, 2016
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The act of when you go under water and you fuck a minor and When you jizz you yell blastoise!
Girl:yes yes harder
Jizzes

Man:BLASTOISE!
by Dysduifjfg October 16, 2019
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When you're having sex with a girl and you're about to nut and you scream "HYDRO PUMP" before you give her a creampie.
Guy 1 - "Yo I would totally give that girl a Blastoise"
Girl 1 - "Go get her then pussy, you won't"

Guy 1 - "Fuck you I'm gonna do it now!" *Leaves*

Girl 2 - "He's such a fuckboi lol"
by HoboJuice April 8, 2019
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