The failure to perform a task based not on a lack of skill but a lack of willpower or courage or possibly due to overwhelming fear. Usually this happens at the last moment possible and without any sort of alternative plausible excuse.
John was going to ask that hot girl out but he bitched out at the last second and walked away awkwardly.

Alex bitched out of the fight after he saw his opponent was clearly bigger

Person A: there's no way that girl is going to bungee jump
Person B: yeah I'm betting she is going to bitch out
by SumiGod June 04, 2011
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Bitch out, Bitched out, Bitching out.

1) The act of ditching prior social obligations.
2) When someone gets pissed off over some little/insignifigant thing.
1) Man, Jake was supposed to hang out and get drunk tonight, but that fucker bitched out and stayed home with his girl.

2) Man, Pat started trippin and bitched out over some damn toilet paper!
by Hyper-z June 25, 2005
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Verb: To bitch someone out means to severely chastise or get after someone in a harsh, reprimanding way. The implication is that this is done in a bitchy, overbearing, and profane manner, and often unnecessiarily so.
Person 1: Dude, last night my mom decided to bitch out my boyfriend just because he brought me home a few minutes late.

Person 2: What a bitch.
by IloveToPlayHungryHungryHippos January 27, 2011
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v. intr. (see, its actually intansitive; you get effort points, i guess)

Bitch out, bitched out, bitching out, bitches out

To discontinue social obligations under false pretenses
"That ho bitched out all over your face."
by TNT November 03, 2004
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To engage in oral sex with one or more individuals. This oral sex is generally rougher and includes "rude" or "dirty" talk. Hence the "bitch out".
Guy 1: Dude, I totally went to bitch out some girls last night.

Guy 2: Really, man?
Guy 1: Oh yeah! So many bruises.

Guy 2: Did they call you names?
Guy 1: Dirtiest mouths ever!!!! And not just the way the talked to me, if ya know what I mean!
by Jake69696977 April 12, 2011
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v. tr.

Bitch out, bitched out, bitching out, bitches out

To discontinue social obligations under false pretenses
"Preps bitched out! Grounded! Cut by mom!"
by Nikki June 02, 2004
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1. Being Yelled At
2. A Good Talking to.
3. Screamed at.
I smacked my sister in the face, and was later
"Bitched out" by my mother.
by G2S October 08, 2005
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