birdbrain
Rengdêr
biguhêrebirdbrain
Hevmane
biguhêre- addle-brain
- addlehead
- addle pate (‘‘kevnbûyî’’)
- airhead
- baboon
- beanbrain
- beetlebrain
- beetlehead
- berk
- bimbo
- birdbrain
- blockhead
- blubberbrain
- bonehead
- Boeotian
- boob
- brickhead
- bubblehead
- bufflehead (‘‘kevnbûyî’’)
- buffoon
- buttbreath
- Charlie
- chowderhead
- chucklehead
- chump
- cittern-head (‘‘kevnbûyî’’)
- clod
- clot
- clown
- crackhead
- cretin
- deadhead
- dimbo
- dim bulb
- dimbus
- dimwit
- dingbat
- ding dong
- dingleberry
- dingwad
- dip
- dipstick
- doldrum
- dolt
- donut
- doodle (‘‘kevnbûyî’’)
- doof
- doofoid
- doofus
- dope
- dork
- drivel (‘‘kevnbûyî’’)
- drongo
- drool bucket
- dullard
- dumb bunny
- dumbbell
- dumb cluck
- dumbhead
- dumble
- dumbling
- dumbnut
- dumbo
- dummkopf
- dummy
- dunce
- dunderhead
- dunderpate
- eejit
- farthead
- fathead
- featherbrain
- fenderhead
- fleabrain
- fool
- fopdoodle (‘‘kevnbûyî’’)
- fuck-knuckle
- galoot
- gomer
- gonk
- goober
- goose
- goosecap
- gorbuson
- halfwit
- ha'porth
- hammerhead
- idiot
- ignoramus
- imbecile
- inbred
- jackass
- jerk
- juggins
- jughead
- knothead
- knucklehead
- lackwit
- lamebrain
- log
- loggerhead (‘‘kevnbûyî’’)
- lummox
- lunk
- lunkhead
- maroon
- meatball
- meathead
- mental midget
- mome (‘‘kevnbûyî’’)
- mongoloid
- mongtard
- moron
- mouth breather
- muggings
- mushhead
- muttonhead
- nimrod
- nincompoop
- ninny
- ninnyhammer
- nit
- nitwit
- noddy
- noodlehead
- numbskull
- oaf
- oligophrenic
- peabrain
- pillock
- pigwidgeon
- pinhead
- plank
- plonker
- prat
- put
- putz
- retard
- sap
- saphead
- schmo
- simp
- simpleton
- snapperhead
- sot
- space cadet
- stupe
- stupid
- stupid-head
- tard
- thickhead
- thickskull
- thicko
- tomfool
- toolbox
- tosspot
- twit
- wally
- wantwit
- wazzer
- wazzock
- witless wonder
- yo-yo
- ass
- assclown
- asshat
- asshead
- asshelmet
- asstard
- asswipe
- dildo
- dipshit
- donkey dick
- dumbarse
- dumbass
- dumbfuck
- dumbfucker
- dumbshit
- fucktard
- fuckwit
- peckerhead
- shitbrain
- shithead
- shitneck
- shitwit
- stupid
- stupidfuck
- stupidfucker
- twat