Blastoise 

when a female is gettin hydro pumped in the vagina by a males cock, the female orgasms and a huge blast of clear liquid is shot out of her moist opening at a high pressure.

Adam-"hey bro, get lucky the other night?"
Tom-"yeah man, pumped her so hard, she squirted soooo hard like a blastoise using its hydro pump!!!

Blastoise by ash ketchum, pokemon master!!! March 4, 2010

Blastoising 

After sex as you cum on your partners face you also shit on their chest while yelling “You don’t have enough Badges to train me!!”

Joel was blastoising her that hard she almost drowned and there was shit from her chin to her knees”

Blastoising by Rocket82 April 7, 2019

Blastoise 

A personality of someone during the act of sexual intercorse that likes to ejaculate all over the place during sex. A blastoise is also a water pokemon so water and semen are closley related. Therefore when Blastoise uses water cannon, the males dick uses semen cannon.

Me- Are you a blastoise Johnny?
Johnny- No i don't even have a dick you cunt.
Cortney- I am.

Blastoise by obama's dick hole black & tiny December 2, 2010

Blastoising 

When you are fucking someone and nut on their face, you pull out a 5 gallon bucket of water and dump it on them.

I was fucking this chick and right when I nutted on her face I Started Blastoising all over her.

Blastoising by MajinMikey August 11, 2016

Blastoise 

(Binomial nomenclature: Blastiosus-poopus)When a person has an urgent need to excrete fecies causing the anus to expand 10 folds in a force greater than the heat of the sun...(most cases its fatal--mad blood loss)

Mary took a blastoise last night at 10 and at 2 the coroner proclaimed her dead by largus-anustus.

Jimmy , running in great panic as he held his posterior screaming BLASTOISE!!!!

Blastoise by Merch-the-miggity August 3, 2006

Blastoise, it's party time 

The lyric that should have been on the terrible song, B.Y.O.B, by System of a Down (Syndrome).

You: Blastoise, It's party time!
Blastoise: YEAH11!! AND WE DON'T LIVE IN A FASCIST NATION!

Blastoise, it's party time by Ballin Colin July 1, 2011

Blastoising 

When you set fire to the pubic hair around the female genitilia and then extinguish the fire using only cum.

We tried blastoising and half of her vagina is burnt off.

Blastoising by MisterF15ter May 21, 2018