its an annoying person that is a complete idiot and acts dumb. people that are fuckasses are constantly annoying and are annoying even without trying and just have no common sense at all. you can use the insult if someone does something annoying or does something that doesn't make sense or just says something stupid that you lose brain cells just from hearing them say it.
" oh my god Connor your such a fuckass"
"stop it you fuckass!"
"SHUT UP FUCKASS!"
by CCwatermelonass June 9, 2017
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Someone who is incredibly stupid, and rude at the same time.
God, You're such a Fuckass!
by Mrs. Mysteryskull December 29, 2015
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Fuckass, Walgreens mascot. Our lord and Savior, Founded by Cole Hersch.

Fuckass, He's a purple monster man dressed in teen clothes who rides around on a longboard and tries to give all the customers hickies. His favorite fruit is shampoo, so he usually hangs around the hair aisle begging people to chug it with them.
Person 1: Yo is that fuckass?
Person 2: fuck yeah lets go chug shampoo with them.
Person 1: hell yeah
by cheese teehee December 15, 2019
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Combination of the insults "fuckboi/girl" and "dumbass", for that one person who is both.
This high school fuckass just tried to flirt with me by bragging about being hungover.
by thatonebruisethatrandomlyappea December 1, 2016
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When someone is being rude or annoying. Or shortened way of saying fucking asshole.
Jim: your fat
Amy: well your a fuckass
by Bucket hat queen March 1, 2019
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Basically an annoying and or idiotic person that acts like a stupid asshole.
Nick stop being a fuckass!
by JewsusChrist March 28, 2015
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