SpasmASM 

The result of having a spasm whilst saying the word 'spasm'.

Renee: "Lately, I've been having lots of SpasmASMs -"

Molly: "Woah! Did you just have a spasm whilst saying the word spasm?! God, I have to put this on Urban Dictionary!"

SpasmASM by hyphens_attack October 20, 2011

Spasmgasm 

When the sound of one's orgasm most resembles the sounds he/she would make when having a seizure.

Last night my girlfriend had a spasmgasm. I thought a baby seal was dying.

Spasmgasm by AxelScar December 21, 2009

Spasmgasm 

(n)- To ejaculate uncontrollably during any given time

Johnny had a spasmgasm during his committee meeting.

Spasmgasm by John Kellis Fernando January 6, 2007

spasmastic 

To be so excited that they are having spasms.
To be extreamly excited.

Dude, that is so spasmastic.

spasmastic by Rohit Saxena September 27, 2005

spasgasm 

a spasgasm is when you start spassing out and you do it long enough which gives you an orgasm

damn that girl was shaking so much she nearly had a spasgasm

spasgasm by Cameleo September 28, 2006

spasmgasm 

An involuntary bodily spasm resembling the pleasant sensation of an orgasm in another part of the body that would not usually experience orgasm.

adjectival derivatives:

spasmgasmic
spasmgasmical
spasmicgasmic
spasmicalgasmical

I am having a spasmgasm in my neck!

spasmgasm by Kendal Boy March 7, 2008

Spasgasm 

When during masturbation, ejaculation causes you to have a seizure or a spastic attack

"Dude, last night I heard my brother having a spasgasm while masturbating"

Spasgasm by Mattu_Farlygard March 12, 2010