out of one's tree
out of one's box
off one's box
out of one's gourd
off one's tree
cuckoo for Cocoa Puffs
nutballs
off the deep end
jimjam
meshugge
half-cracked
batshit
screwy
buck wild
lunatically
cooked
crazy
funny in the head
unbalanced
cuckoo
fruitloop
irrationalistic
loony tunes
insane in the membrane
wackadoodle
toys in the attic
5150
mad
tonto
crazyitis
craziness
lunatical
sick-ass
off one's onion
off one's rocker
gone fishing
nutzoid
off the beam
dionysian
derationalize
irrationalize
nutso
bugnuts
crazo
go potty
mad as a hatter
irrationality
loon
crazy as a pet coon
daft
mad as a mongoose
unreason
misreason
insensate
have a screw loose
reality challenged
round the bend
insane
meshuggener
gila
doolally
not right in the head
shandy
pop one's cork
rocket
irrationalness
stunod
mysticism
bananas
cracked as an egg
becrazed
gobaloon
fucktarded
like nobody's business
loony tune
lose one's mind
batchy
wild
dingbat
fantastic
hardened
cockamamie
looney tunes
ree-raw
becraze
disorientation
nut-bar
crazyhead
mad as a cut snake
insanity
hatstand
crackers
nutburger
bughouse
cuckoo for Cocoa Puffs
nutballs
off the deep end
jimjam
meshugge
half-cracked
screwy
buck wild
cooked
crazy
funny in the head
unbalanced
cuckoo
irrationalistic
loony tunes
insane in the membrane
wackadoodle
5150
mad
tonto
lunatical
sick-ass
gone fishing
nutzoid
batshit
dionysian
bugnuts
mad as a hatter
crazy as a pet coon
daft
mad as a mongoose
insensate
reality challenged
insane
meshuggener
gila
doolally
not right in the head
shandy
bananas
cracked as an egg
becrazed
gobaloon
fucktarded
batchy
wild
fantastic
hardened
cockamamie
looney tunes
ree-raw
mad as a cut snake
nutso
stunod
hatstand
crackers
bughouse
lunatically
like nobody's business
batshit
fruitloop
toys in the attic
crazyitis
craziness
nutso
crazo
irrationality
loon
wackadoodle
unreason
misreason
rocket
irrationalness
stunod
mysticism
loony tune
dingbat
disorientation
nut-bar
crazyhead
insanity
nutburger
nutzoid
derationalize
irrationalize
go potty
have a screw loose
pop one's cork
lose one's mind
becraze
English words for 'Crazy; unhinged; irrational.'
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