by Ireland Ireland May 3, 2023
 Get the Cumbustmug.
Get the Cumbustmug. That girl's face is very cumbustable.
by Juiceheadtodd June 11, 2010
 Get the cumbustablemug.
Get the cumbustablemug. 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
by testicle juice October 2, 2020
 Get the Cumbustionmug.
Get the Cumbustionmug. When you are getting a blowjob and are uncircumcised and your foreskin explodes like a balloon from the pressure of being blown into.
by Anti asian August 24, 2017
 Get the cumbustermug.
Get the cumbustermug. 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 24, 2015
 Get the Spontaneous Cumbustionmug.
Get the Spontaneous Cumbustionmug. by Sivv Vicious March 23, 2008
 Get the Spontaneous Cumbustionmug.
Get the Spontaneous Cumbustionmug. by PSpin420 November 2, 2009
 Get the Spontaneous Cumbustionmug.
Get the Spontaneous Cumbustionmug.