A word used as a reaction to someone hot, or doing something hot.
Sarah: if I was ever in the car with that girl I’d combust
Rachel: I’d Cumbust
by Ireland Ireland May 4, 2023
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When a female is so attractive that you have an immediate explosion in your pants.
That girl's face is very cumbustable.
by Juiceheadtodd June 9, 2010
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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
by testicle juice October 2, 2020
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When you are getting a blowjob and are uncircumcised and your foreskin explodes like a balloon from the pressure of being blown into.
Dam that Asian hooker gave me a real cumbuster, haven't pissed right in a week.
by Anti asian August 24, 2017
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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.
by Diction.net February 25, 2015
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The act of instant male orgasm upon seeing something insanely hott.
When Lauren and Silvia took their clothes off, Patrick experienced spontaneous cumbustion.
by Sivv Vicious March 24, 2008
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Jill was pissed Randy was premature last night. Jill said he suffers from Spontaneous Cumbustion.
by PSpin420 November 2, 2009
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