An event that otherwise would not be especially remarkable, until having occurred with shit. Usually considered a surprise and unpleasant.
If an event occurs and involves a surprise shit and is not offensive, then it is a happenshit.
If you have a shart in the elevator of the building you work in, you might be saying, "I had a shitcident in front of the boss, now how am I going to win that promotion?"
If you found a bag of flaming dog shit at your front door, you might report the shitcident to your homeowners' association. ... I wouldn't if I were you, though. You probably deserved it.
When a cat can't make the catbox and is imitating Pollock on the walls with shit smears, you point and exclaim, "Is this fucking shitcident because of you, Mr. Pussy McFluffypants?!"
I had a few things in my Amazon basket and did not delete those things I really did not want to buy and accidentallypurchased them. This was an unforeseen shopcident.
Noun. When one mistakenly shacks (shares a bed/spends the night romantically, the act of sex isn't a shack requirement) with someone for an evening, whether it was a drunken mistake or turns ugly later. The term can be used to refer to the incident itself or the person shacked with.
I had a shaccident. I shacked with that guy, and now he's clingy like a parasite. OR That was a total shaccident. I didn't realize how ugly she was until this morning. OR He's a shaccident. I meant to shack with his friend instead. OR She's a shaccident. She was a terrible kisser.