Lamebrain [noun]

● Screwball

● Crackpot

● Lunatic

● Nut

● Crazy

● Flake

● Dingbat

● Crank

● Weirdo

● Fruitcake

● Wacko

● Lamebrain

● Moron

● Knucklehead

● Dunderhead

● Vulgarian

● Shithead

● Shmuck

● Wackjob

● Fuckwit

● Numbskull

● Asshat

● Nincompoop

● Fuckup

● Numbskulls

● Dingbat

● Dufus

● Lunkheaded

● Windbag

● Dogshit

● Dolt

● Dopier

● Schnook

● Crackpot

● Malaprop

● Scuzzball

● Yutz

● Gasbag

● Flapdoodle

● Cocksucker

● Dullard

● Nitwit

● Slimeball

● Halfwit

● Nostalgist

● Moralizer

● Tinhorn

● Bozo

● Birdbrain

● Sleazoid

● Milksop

● Nutbag

● Blowhard

● Numskull

● Crapola

● Zipless

● Pissant

● Shtik

● Buffoon

● Cretin

● Hackwork

● Prigs

● Hellbound

● Hacky

● Chickenshit

● Lunatic

● Lunk

● Airheaded

● Monomaniac

● Goombah

● Simp

● Pantywaist

● Schlemiel

● Dimwit

● Flamer

● Mudslinger

● Hardass

● Sleazeball

● Snottiness

● Asshole

● Solipsist

● Shtick

● Pencil pusher

● Meshuga

● Ninny

● Plotz

● Douche bag

● Hifalutin

● Martinets

● Bollix

● Fatuousness

● Tommyrot

● Ocracy

● Idiot

● Nutcase

● Antisemite

● Tu quoque

● Roguery

● Old codger

● Truthy

● Noodge

● Horndog

● Monologuing

● Boneheads

● Male chauvinist pig

● Gagster

● Spewer

● Loony

● Slimey

● Gonzo

● Fiddlesticks