Jill was pissed Randy was premature last night. Jill said he suffers from Spontaneous Cumbustion.
by PSpin420 November 01, 2009
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When one day you aren't in the least bit attracted to them, and the next, it seems like you can't live without them. So you screw over all your other friends to be with, look at, and hit on her. Your friends will probably not like the part where they all get screwed over.
I went on a band trip with some friends, and Danielle was there. At first, i didn't think anything about her, i didn't even like her. Usually, i was sort of unkind to her and didn't pay her much attention, but when i looked at her later that day, i noticed for the first time how truly beautiful she is, both physically and mentally (hence the term, spontaneous love. so i blew off my friends for the rest of the weekend just so i could get to know her better. She is the Most amazing person i have ever met in my entire life. the feelings i have when i am with her are the best i have ever felt. not like i wanted to f*** her or anything, but just that i wanted to hold her and spend time with her.
by Walrusboy December 10, 2005
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Spontaneous Euphoria is the phenomenon when you're doing a seemingly normal routine, and all of a sudden you get hit by a random wave of extreme happiness. Studies show that the chance of spontaneous euphoria may increase greatly while doing something positively nostalgic.
*Your friend suddenly stops walking*

You: Hey, man, what's wrong?

Friend: *shakes his head* Oh, nothing, I just got a wave of spontaneous euphoria
by Icohedric January 20, 2014
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What happens when a man is lured into a hookup with Bob Seger's Night Moves, and thusly has an erection only to be surprised when the song is changed, midway, to any Don Henley Song. Instant loss of erection.
I was at that chicks house working on our night moves until Don Henley came on, it was spontaneous flaccidity.
by The D Abides February 22, 2010
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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 24, 2015
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The mistaken idea that living things can arise from non living sources
Redi created a controlled experiment to disprove spontaneous generation.
by ?_?_?_?_ October 05, 2015
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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."
by Gide October 02, 2006
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