To orgasm, from the anus
Men in prison have "assgasms" when raped with nightsticks
by CommunistWithAGun December 27, 2003
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v. To expel forcibly from one's anus the blood, semen, fecal material, lubricant and associated materials after engaging in anal sex
She enjoyed anal sex, but really looked forward to the assgasm she would have in the bathroom afterward.
by Moontos October 25, 2006
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The euphoric sensation associatted with anal sphincter contractions experienced after having an exceptionally large bowel motion.
John: ' I just did the biggest turd of my life.'
Sally : 'Assgasm?'
John ' Oh yeah.'
by arssia January 27, 2011
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During Anal sex the party giving will ejaculate in the other. When the party receiving has their orgasm and the semen drains from their hiney that's an "Assgasm".
"Dude, i fucked Courtney so hard last night, she had an Assgasm!"
"Hey that happened to me and George!"

"What the fuck?!"
by SprinkleTits01 August 5, 2011
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1.An extremely fine, bangin ass.. when imagined in a thong causes insta-boner.

2. Taryn Bour
As Taryn walked away I looked down and my wang looked up, It must be an assgasm
by the ass police January 27, 2009
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The act of passing simultaneously as you orgasm
My girlfriend left me because every time we fucked a would stink up the room and assgasm
by Thundernut555 March 14, 2018
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When taking a huggeee crap, right as it drops into the water of the toilet, it creates a huge splash. The water from the splash then shoots up into your rectum causing a cold tingling sensation, somewhat like an orgasm, but cold. Thus causing an assgasm.
me:Dude i had to take a major shit, but the fucking splash gave me an Assgasm.
by Jizzy Jan February 8, 2010
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