A manner of notifying someone that they are about to attempt or have recently attempted and act which may endanger themselves or others. Usually applied to those who have no common-sense, limited intelligence, excessive enthusiasm and didn't file a Job Safety Assessment or Risk Assessment with their brains before attempting the act.
"Oi! Ya fuckwit! A u-turn over double lines in peak hour traffic at 100 km/h on a motorcycle is a bit fucking stupid! If ya failed I would have laughed me way through your fuckin' funeral!"

"Whaddya mean you tested how sharp the knife was with your hand? You fuckwit!"

"You cut your hand taking the seed out of an avocado? You fuckwit. You're so stupid you should be British." ref: 'avocado hand', a peculiar British ailment.
by TechnoHippie February 25, 2021
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Used in similar circumstances as dumbass or dipshit. Fuckwit is reserved for someone who is so bafflingly stupid that the other two words just don't do the job.
EA are run by a bunch of greedy fuckwits.
by Xbow Nation February 04, 2018
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A person that is generally a dickhead; that usually annoys everyone.
Person 1 - Bro your mother should have aborted you, extra chromosome cunt.
Person 2 - Shut the fuck up you fuckwit.
by 20chromosomes November 06, 2018
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A Norwegian Dickhead who bullies people,
fuckwits are usually around 10-15 years of age, they often associate to tik tokers and

people who flex trying to show off to girls.
This kid was bullying and flexing at school what a Fuckwit
by Theguywhoexposesflexingidiots October 05, 2020
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