A bi-accident is when two, or more, heterosexual people of the same gender accidentally commit an act of homosexuality "by accident".
The two men were spinning closely in their chairs, when their faces collided and they kissed bi-accident.
by Q-Eh. September 6, 2013

The act of pooping on your significant other during sex when you have a fetish for it, and acting like it was an accident.
by opengl128 November 12, 2008

by KP2003 March 25, 2020

One day i was at high school and it was dinner, i saw the school bully but i thought they didnt see me. Sadly i was the bullys main target and saw me right when i was not expecting it. At this moment i new there was gona be a brief accident. The bully and some of there friends dragged me to the changing room and hung me on the coat pegs by my briefs. This was a proper brief accident.
by King Bob the second July 30, 2021

I only realised I'd bought 2 in a buy accident after I'd paypal'd.
Ebay ad: selling surplus after buy accident purchase.
Ebay ad: selling surplus after buy accident purchase.
by Davidch999 September 20, 2012

Guy 1: Aw dude, I got into such a bad fencing accident last night!
Guy 2: I thought you went to a party!
Guy 1: You betcha I did.
Mom: Oh honey what happened to your neck?
Son: Just a fencing accident, don’t worry about me mom!
Guy 2: I thought you went to a party!
Guy 1: You betcha I did.
Mom: Oh honey what happened to your neck?
Son: Just a fencing accident, don’t worry about me mom!
by dumb👌🏼 shit November 3, 2017

When a person moves to Arizona for college, only to drop out and get knocked up by their cousin, quite the Arizona Accident.
“Yo, you hear what happen to Lauren? Bitch went to the University of Phoenix for school, got knocked up by her cousin, then had the balls to come home for Christmas with an Arizona Accident still growing in her belly, she couldn’t wait to tell the rest of the family!”
by Franky4Fingerz August 8, 2021
