when a man, has an extreme rush of joy similar to an orgasm from something manly. Such as beer, spicy food, explosions, fast cars, firing big guns, hot chicks, or movies involving all of those things.
I had a mangasm watching Snakes on a Plane!

Hunting with the 50 caliber rifle is a complete mangasm!

When I floored my 69' Chevelle I had a mangasm!
by Austen the Puerto Rican September 20, 2006
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when a man is getting a sexual act performed on him or he is performing sex and he moans and groans before he ejaculates. usually consisting of "Aahhhhh" or "Sssssss"
i was coppin dome and she sucked it soo good i started to have a mangasm
by jrey April 26, 2007
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the feeling when a man gets a orgasm, but from something manly like burritos, throwing shit like knives, shooting guns, watching the expendables, football, beer, etc.
i got a mangasm after watching the expandables
by ametz21 October 12, 2010
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"have you seen the 2011 camaro SS?"

Ya bro! I mangasmed all over my mullet!
by z28n18 April 06, 2011
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Women orgasm...men mangasm!
It was beautiful. She orgasmed as he mangasmed.
by zuesapus32 June 09, 2011
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The climax of non-sexual heterosexual male attraction.
- "Man, you look like you're having a mangasm watching Jimi play guitar."
by Keith M. March 11, 2006
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mangasm: when a man reaches sexual climax with another male. usualy this consits of lound womenly type yelps or sreaming, most of the time this occurs after anal sez or exchanging blowjobs. on occasion a shit piss on his face will enduce the mangasm
corey, i would like to MOOSH with you causing me to mangasm
by teddy April 08, 2003
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