Metalgasim 

A point in a metal song when all the people in the car or room headbang uncontrollably.

When listening to "Power Metal" by: Pantera, we all had a Metalgasim.

Metalgasim by TheHeathenHammer December 22, 2010

Metalgasm 

Caused while listening to a particularly hardcore riff in a metal song. May cause cranial combustion, which is then known as a Ubermetalgasm.

Whoa...that riff in Judas Priest's Metal Meltdown gave me on hell of a metalgasm

Metalgasm by LordOfApathy October 15, 2009

metalgasm 

An orgasm derived from listening to music of the metal genre. Usually occurs during screaming/growling parts of a song and will result in goosebumps and a smile.

Girl: Have you ever listened to Otep?
Boy: No, why are they awesome?
Girl: Awesome...yeah...so awesome I got a metalgasm the first time I listened to them.
Boy: ...
Girl: It was almost better than a real orgasm.
Boy: Wait...What?

metalgasm by Dead Dani August 30, 2006

Metalgasm 

The state of being highly excited by auditory brutality

Evan: " I wanna frickin rip his balls off!"
Dave: " Dude, I think I just had a metalgasm."

Metalgasm by Dburgz April 4, 2007

Mealgasm 

To get an an extreme high off of delicious food to point of having an orgasmic emotional reaction.

I ate your fruitcake, and gave me mealgasm!

Mealgasm by Greesygun April 12, 2011

Metalasm 

(v) The reaction to a particular part of a heavy metal song, for example, the main riff for Raining Blood- Slayer that causes you to, as The Lonely Island would put it, "Jizz In My Pants".

Oh my god! That riff just made me metalasm!

Metalasm by PureBloodedHeadbanger August 6, 2009

Mentalgasm 

The high you attain upon completing Mental Masturbation

I just had a mentalgasm doing abstract algebra

Mentalgasm by zippadeedoodaa September 12, 2010