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1. The bar owner in the movie "Boondock Saints" (1999) with Tourette's Syndrome. He was called this, because he blurted out words like "fuck!" and "ass! when he was stressed.

2. An insult used by Donnie against his sister Elizabeth at the dinner table in the movie "Donnie Darko" (2001).

3. An asshole, clown, idiot, jerk, loser, prick, douchebag, scumbag, doofus; any inept and/or annoying person, who gets on your nerves or offends you.

4. Someone who engages in anal sex, i.e. fucking someone in the ass or being fucked in the ass themselves.
1. "Hey, Fuckass, gimme a beer!"

2. "You're such a fuckass!" "Did you just call me a fuckass? Well, you can go suck a fuck!" "Oh, tell me, Elizabeth, how exactly does one suck a fuck?" "Do you want me to tell you?"

3. "Did you see that guy stealing condoms? What a fuckass."

4. "I asked my girlfriend to have anal sex the other night, she called me a fuckass, and walked out."
fuckass by calweycn January 3, 2009
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Noun- stupid, or nonsensical. Often used when referring to a gps, specifically Apple Maps.
The maps taking me some fuckass way.
Fuckass by Jason Good December 22, 2021
When a mommy and daddy love each other very much and don't want to have a bratty child who asks dumb questions.
Donnie: You are such a fuckass.
Elizabeth: Did you just call me a fuckass? You can go suck a fuck.
Donnie: Oh, please, tell me Elizabeth, how exactly does one suck a fuck?
Fuckass by ElChicaMokeFace November 30, 2011
adj. very; incredibly
a: It's fuckass cold outside!

b: shut up, you wuss
fuckass by Lechle Hizdayen November 2, 2006
1. A combination between an asshole and a fucker
2. Can be an expression used not specifically to insult anyone when something doesn't go your way
3. Can be an insulting name to call someone when they do something you are annoyed with
"God Damn Cutch, stop hitting me with that ball! Your such a fuckass!"
fuckass by yellow azn July 14, 2005
Fuckass means "cool" or "awesome".
Ted: Dude, that is so fuckass!
Bill: Totally dude!
Fuckass by jamez kwetez February 17, 2008
Boondock Saints definition: Bartender has tourette's and yells out FUCKASS! at random times.
fuckass by JZ August 17, 2004