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When you are getting close to sexual climax, and you feel the cum coming up, but you cum too early, only getting half the orgasm, or none at all, but you can't cum again.
I had already cum twice, and when I tried to go for a third, I failgasmed and ruined my day.
by Tarvosthegaul September 13, 2009
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"Dude, guys, check out my sick-ass moonwalk!" -Jeff *Proceeds to trip and fall on his face.*

"Haha, FAILGASM!" -Brad
by ZeosPantera January 29, 2008
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1.A moment of sheer ecstasy at the sight or sound of an epic fail.
2.Intense or unrestrained excitement when everything goes horribly wrong, usually pertaining to ones own life.
3. The moment you realize your life sucks
–verb (used without object)
4.To have a failgasm
-intr.v. fail·gasm·ed (-gaz-uhm-d), fail·gasm·ing (gaz-uhm-ing), fail·gasms (gaz-uhmz)
To experience a failgasm.
fail·gas'mic (fāl-gāz'mĭk), fail·gas'tic (-tĭk) adj., fail·gas'mi·cal·ly, fail·gas'ti·cal·ly adv.
When I saw that my ex was not only pregnant but fat as well, it was absolutely failgasmic.

I totally failgasmed when I saw that video of him dancing to Lady Gaga in his bathroom naked while putting on make-up.

I just totaled my dads BMW, I'm gonna have a failgasm
by AntiMangina February 16, 2010
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A failure, or confluence of failures (serial or coincident) that is so epic as to be on the scale of sexual release. Synonymous with clusterfuck, except that the victim is usually required to clean up afterward.
Guy 1: So, a major piece of equipment was damaged at work this week. Client was out of service until we got a replacement.
Guy 2: Nice.
1: We ordered the new part overnight, and it was delivered, a couple thousand miles away.
2: (rolling eyes, pained laughter)
1: So the shipper sends it out, overnight, after we confirmed the correct address. It of course, does not show up as expected, and is instead held up at the shipper's regional hub, because they say they have the wrong zip code.
2: You're kidding!
1: Nope. So, instead of sitting back and enjoying my holiday, I get to clean up after the shipper's failgasm for the rest of the week.
by blinkin_the_gremlin August 31, 2008
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A term given to the type of orgasm reached by very little to no sexual contact whatsoever. This term cannot be used against Virgins.
Girl 1: "What about that guy you hooked up with last night?"

Girl 2: "I got him upstairs and he had a Failgasm before i'd even touched him!"
by Old Long Johnson October 05, 2009
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