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.

An insult used by someone who has superior mathematics skills.

One who is a fuckass

An advanced fuckboy. Probably makes out with two girls at once in the club in front of you the same week you meet his family..total insecure douchebag and compensates his stds with money and showing off on the internet

Someone who is incredibly stupid, and rude at the same time.

a word largely used by the freshman penninnsula boys at SI to talk about someone being hardcore/cool/a dick.

a person being a jerk and/or making an ass of themselves. used as an insult.