[fuckwit] 

someone who does something stupid

you are such a fuckwit for crashing the car

[fuckwit] by baldy the great February 6, 2006

fuckwit 

A person who is not only lacking in clue but is apparently unable or unwilling to acquire clue even when handed it on a plate in generous portions.

Manos, you're a fuckwit.

fuckwit by Jon Fuller October 17, 2003

fuckwit 

any living organism capable of rationalisation skills but rather chooses to put aside any common sense and reason and mindlessly fucks-up (blunders and turns to shit) everything this waste of life and bane on existance happens upon. such entities often times also possess tendencies to verbalize and promote their opinions,thoughts,and feelings as though they were rules of nature and uncompromising truths and universal fact

some fuckwit sideswiped my car today while it was parked inside the garage blamed global warming and the gay agenda.

my fuckwit nephew knocked-up both his sister twice last year.

fuckwit by grandmakunt June 10, 2016

Fuckwit 

Someone who wastes time perusing pointless sites like Urban Dictionary rather than doing something productive. Applies particularly to those who submit definitions.

Mark: "Get anything useful done today TOM?"

Tom: "Nah, been fucking around on Youtube and Urban Dictionary all day."

Tom is a fuckwit.

Fuckwit by Don't do quack kids. July 19, 2017

Fuckwit 

A very foolish person; idiot; imbecile; cockwomble; muppet; douche bag; somebody who makes outrageously idiotic statements while convinced that they are absolutely correct; somebody who doesn't understand basic English, or other appropriate language, or grasp fundamental concepts; somebody who is incapable of reason or logic; someone who acts in an egregious fashion.

Did you see that fuckwit, John, on Shiva's panel last night?

Fuckwit by The Church of 4 September 2, 2021

Fuckwit 

A person so lacking in intelligence that they cannot grasp the simplest concepts.

Jesus, just hit the "ON" switch, you fuckwit.

Fuckwit by sparkles January 20, 2003

fuckwit 

a person with mental capabilities about 0.1% the power of a halfwit.

"If I wasn't suck a fuckwit, I could do percentages and shit"

fuckwit by Tolle Lege March 28, 2012