Cumbustion 

An explosion of jizz in your pants. Literally!

That chicks so fine cumbustion was unavoidable!
Dude, go change!

Cumbustion by CWeed, Browniemixx, Echo January 11, 2009

Cumbustion 

When a dude busts a nut so fast that the exothermic release triggers a chain reaction in which cum accelerates exponentially and shoots out the dick hole. Cumbustion

Jimmy: I had Sara rub me out resulting in a cumbustion right in her face.
Bob: You're weird, man

Cumbustion by testicle juice October 2, 2020

Cumbustion 

Masturbation, bust a nut.

Cumbustion is very healthy
I combusted a huge load on my mom

Cumbustion by Rodvor August 19, 2021

Cumbustion 

An orgasm so intense you spontaneously combust

He/she died of cumbustion!

Cumbustion by CHALKWALKER May 11, 2024

Cumbustion Cum Bubble Pussy Fart 

See "Queef". It means the same damn thing.

You are a cumbustion cum bubble pussy fart.

Cumbustion Cum Bubble Pussy Fart by David Bailey November 30, 2005

Spontaneous Cumbustion 

The process by which, through the ingestion of an unruly quantity of phosphorous, one's ejaculate spontaneously erupts into flames upon expulsion from the penis causing widespread fear and panic.

Dave and Marie were dating until Dave's spontaneous cumbustion all over Marie resulting in a sudden case of the funerals.

Spontaneous Cumbustion by Diction.net February 24, 2015

Spontaneous Cumbustion 

The act of instant male orgasm upon seeing something insanely hott.

When Lauren and Silvia took their clothes off, Patrick experienced spontaneous cumbustion.

Spontaneous Cumbustion by Sivv Vicious March 23, 2008