berko
bugfuck
bonkers
siao
cracky
up the wall
kee siao
fruity
three stops short of Dagenham
toppy
gila
distraught
bats
off one's dot
batty
funny in the head
nut-bar
round the twist
wud
nuts
one fry short of a Happy Meal
doolally tap
daft
bananas
crazy as a bedbug
mad as a box of frogs
round the bend
madden
meshugge
off one's trolley
flip out
flip
drove someone mad
spitting mad
not right in the head
meshuggener
loony tunes
torqued
nutty
insane in the membrane
doolally
beaked off
huffy-puffy
spleened
plumb crazy
yampy
lunatic
headbanger
madness
off the beam
nutzoid
off one's onion
off one's rocker
gone fishing
up a height
détraqué
unglued
aggro
boiled
bex
steamed up
waxy
go to Prestwich
becrazed
dement
gobaloon
hot under the collar
pissed
daffy
tamping
mad as a meat axe
mad
maddish
cuckoo for Cocoa Puffs
angriness
go nuts
daffiness
anger
angry as a wet hen
livid
mad as a March hare
mad as a cut snake
Frankenstein
go crazy
starkers
wild as a wet hen
crook
off one's chump
half-cracked
lunatical
bughouse
nutso
crackers
hatstand
sharp-tasting
out of one's mind
ragey
off one's head
bitterish
berko
bugfuck
bonkers
siao
cracky
kee siao
fruity
three stops short of Dagenham
toppy
gila
distraught
bats
batty
funny in the head
nut-bar
wud
nuts
one fry short of a Happy Meal
doolally tap
daft
bananas
crazy as a bedbug
mad as a box of frogs
meshugge
spitting mad
not right in the head
meshuggener
loony tunes
torqued
nutty
insane in the membrane
doolally
beaked off
huffy-puffy
spleened
plumb crazy
yampy
lunatic
nutzoid
gone fishing
up a height
détraqué
unglued
aggro
boiled
bex
steamed up
waxy
becrazed
gobaloon
hot under the collar
pissed
daffy
tamping
mad as a meat axe
mad
maddish
cuckoo for Cocoa Puffs
angry as a wet hen
livid
mad as a March hare
mad as a cut snake
starkers
wild as a wet hen
crook
half-cracked
lunatical
bughouse
nutso
crackers
hatstand
sharp-tasting
out of one's mind
ragey
bitterish
headbanger
madness
angriness
daffiness
anger
Frankenstein
madden
flip out
flip
drove someone mad
go to Prestwich
dement
go nuts
go crazy
English words for 'mad; crazy'
As you may have noticed, above you will find words for "mad; crazy". Hover the mouse over the word you'd like to know more about to view its definition. Click 
to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.
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