The act of instant male orgasm upon seeing something insanely hott.
When Lauren and Silvia took their clothes off, Patrick experienced spontaneous cumbustion.
Por Sivv Vicious 23 de marzo de 2008
3 more definitions
The act of two males performing a donkey punch and white dragon in unison on a female during an mmf.
"We gave Dorothy a spontaneous cumbustion last night. Her head exploded and a geyser of blood and cum splattered the walls."
Por Gide 02 de octubre de 2006
An unexpected ejaculation
Jill was pissed Randy was premature last night. Jill said he suffers from Spontaneous Cumbustion.
Por PSpin420 01 de noviembre de 2009
Cumming without being aroused and with no sexual provocation.
As the airplane took off, Bob spontaneously cumbusted.
Por tanukisanyo 09 de mayo de 2005