up the wall
cracky
three stops short of Dagenham
toppy
nut-bar
fruity
siao
kee siao
bonkers
bugfuck
berko
batty
funny in the head
nuts
bats
daft
gila
distraught
off one's dot
bananas
mad as a box of frogs
crazy as a bedbug
round the twist
one fry short of a Happy Meal
wud
plumb crazy
flip
not right in the head
flip out
meshuggener
meshugge
becrazed
insane in the membrane
loony tunes
doolally tap
unglued
round the bend
off one's trolley
mad as a March hare
off the beam
nutty
off one's onion
gone fishing
nutzoid
off one's rocker
off one's head
out of one's mind
crackers
bughouse
hatstand
off one's chump
nutso
gobaloon
half-cracked
madden
mad as a meat axe
up a height
cuckoo for Cocoa Puffs
lunatic
mad as a fish
torqued
doolally
bugnuts
demented
potty
off the rails
nutballs
insano
mad as a cut snake
loony
wackadoo
go to Prestwich
deranged
beaked off
huffy-puffy
nerts
mad
crazy as a cootie
spleened
crazy as a cootie bug
cracked as an egg
jimjam
headbanger
daffy
loced out
wiggy
crazy-ass
cray-cray
cray
bammy
loco
gaga
jiggy
crazypants
banoodles
buggish
tamping
détraqué
drove someone mad
bananapants
cracky
three stops short of Dagenham
toppy
nut-bar
fruity
siao
kee siao
bonkers
bugfuck
berko
batty
funny in the head
nuts
bats
daft
gila
distraught
bananas
mad as a box of frogs
crazy as a bedbug
one fry short of a Happy Meal
wud
plumb crazy
not right in the head
meshuggener
meshugge
becrazed
insane in the membrane
loony tunes
doolally tap
unglued
mad as a March hare
nutty
gone fishing
nutzoid
out of one's mind
crackers
bughouse
hatstand
nutso
gobaloon
half-cracked
mad as a meat axe
up a height
cuckoo for Cocoa Puffs
lunatic
mad as a fish
torqued
doolally
bugnuts
demented
potty
nutballs
insano
mad as a cut snake
loony
wackadoo
deranged
beaked off
huffy-puffy
nerts
mad
crazy as a cootie
spleened
crazy as a cootie bug
cracked as an egg
jimjam
daffy
loced out
wiggy
crazy-ass
cray-cray
cray
bammy
loco
gaga
jiggy
crazypants
banoodles
buggish
tamping
détraqué
bananapants
headbanger
flip
flip out
madden
go to Prestwich
drove someone mad
English words for 'crazy, mad'
As you may have noticed, above you will find words for "crazy, mad". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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