not right in the head
meshuggener
gobaloon
loony tunes
insane in the membrane
off one's onion
gone fishing
off one's rocker
hatstand
bughouse
crackers
nutso
off one's chump
nutzoid
off the beam
out of one's mind
off one's head
daft
cuckoo for Cocoa Puffs
crazy as a cootie bug
crazy as a cootie
insano
off the rails
deranged
loony
potty
demented
funny in the head
becrazed
not wise
lunatical
reality challenged
bananas
nuts
lose one's mind
loopy
cracked as an egg
wiggy
buggish
crazypants
gaga
cray
loco
jiggy
bammy
loced out
banoodles
nut-bar
cray-cray
nerts
nutballs
cracky
insanity
up the wall
stark raving mad
phrenesis
go potty
crazy-ass
jimjam
bananapants
wackadoo
mad as a March hare
go mad
nutsy
screwy
bats
crazy as a shithouse rat
three stops short of Dagenham
looney tunes
toppy
bugnuts
half-cracked
off one's dot
lunatic
mentalist
distraught
barking mad
insaniac
madman
gelt
mooner
maniac
mad as a box of frogs
lima bean
meshugge
half-crazed
crazed
crazy as a bedbug
insanely
doolally
crazily
gila
hysterically
dementedly
whacked-out
not right in the head
meshuggener
gobaloon
loony tunes
insane in the membrane
gone fishing
hatstand
bughouse
crackers
nutso
nutzoid
out of one's mind
daft
cuckoo for Cocoa Puffs
crazy as a cootie bug
crazy as a cootie
insano
deranged
loony
potty
demented
funny in the head
becrazed
not wise
lunatical
reality challenged
bananas
nuts
loopy
cracked as an egg
wiggy
buggish
crazypants
gaga
cray
loco
jiggy
bammy
loced out
banoodles
nut-bar
cray-cray
nerts
nutballs
cracky
stark raving mad
crazy-ass
jimjam
bananapants
wackadoo
mad as a March hare
nutsy
screwy
bats
crazy as a shithouse rat
three stops short of Dagenham
looney tunes
toppy
bugnuts
half-cracked
distraught
barking mad
insaniac
mad as a box of frogs
meshugge
half-crazed
crazed
crazy as a bedbug
doolally
gila
whacked-out
insanely
crazily
hysterically
dementedly
nutso
insanity
phrenesis
insano
lunatic
mentalist
madman
gelt
mooner
maniac
lima bean
lose one's mind
go potty
go mad
loco
English words for 'crazy, insane'
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scrutiny
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