lunky
dull-minded
dunny
one fry short of a Happy Meal
short bus
dim-bulb
dim bulb
fuckheaded
Boeotian
Benny
dull
blinkard
doltish
heavy
shonky
sheep-headed
dumbling
chowderheaded
airhead
beefheaded
sottish
lackwit
blonde
addle-brain
dickheaded
addlehead
boofheaded
shit for brains
schmendrick
thickheaded
schmo
palooka
gay-ass
cock
tardy
dipshidiot
underwitted
jerk
arse
morepork
smooth-brained
wally
frontal lobeless
lackbrain
blockish
shitheaded
poop
dropkick
thick-skulled
thickwitted
clodpated
goofy ahh
gonk
lollygagger
pachycephalic
mullet-headed
punk-ass
mouth breather
lackadaisical
rube
lameoid
muff
gaby
dufferish
half-wit
balmy
dumb as a doornail
idiotlike
lunkheaded
shitbrained
sweer
spaz
lead-footed
fatuous
meathead
autistic
git
ignoramus
weeniehead
peabrain
snide
retard
drool bucket
weak-minded
nitwit
boofhead
addle
fuckoff
twang
intellectually challenged
asshat
cerebrally challenged
fatuitous
thicko
r-slurred
melon-headed
ignoranus
divvie
dimbo
rarted