unglued
nuts
mad as a March hare
loony
potty
off the rails
insano
deranged
nut-bar
mad as a fish
crazy as a bedbug
pressed
off one's head
maddeningly
out of one's mind
distraught
off one's dot
bats
crackers
nutso
bughouse
hatstand
off one's chump
toppy
kee siao
fruity
three stops short of Dagenham
cracky
mad as a box of frogs
daft
Ophelian
up the wall
indignantly
bonkers
off one's onion
gone fishing
off one's rocker
nutzoid
off the beam
dismayfully
siao
maddingly
devastated
unsettled
Moses
over the edge
anaspeptic
crazy as a cootie bug
plumb crazy
crazy as a cootie
one's heart in one's mouth
upsettingly
horrored
well
stark raving mad
lunatical
exclaiming
bananas
barking mad
batty
infuriatingly
becrazed
not wise
mad as a meat axe
dismayed
meshuggener
not right in the head
pastel
demented
consternated
overtroubled
off one's trolley
hysterically
disturbed
gobaloon
knee-trembling
whiskey tango foxtrot
exasperatedly
infuriatedly
despairingly
suffering succotash
tamping
crazedly
up a height
disturbedly
doolally
flip shit
loony tunes
outragedly
cracked as an egg
come
grumly
insane in the membrane
disgruntled
do me a favour
angsty
half-cracked
alamak
stark staring mad