lunatic
few cards shy of a full deck
mad as a fish
mad
mad as a March hare
one fry short of a Happy Meal
détraqué
daft
spack attack
doolally tap
mad as a box of frogs
batty
meshugge
off one's trolley
verklempt
mad person
maniacal
nutballs
half-cracked
in low spirits
off-minded
dejectedly
bananas
cross
exasperatedly
bonkers
tired
nut-bar
up the wall
dementedly
bazonkers
cracky
overtense
gobsmacked
crack up
distraught
madness
horror-struck
tamping
off one's dot
funny in the head
siao
hair-on-fire
mad as a mongoose
crazy as a pet coon
psycho
overwound
mad as a hatter
inchoate
kee siao
fruity
wobbly
depressedly
doddery
sick-ass
nuts
crazy
psychotically
Ophelian
insaniac
p.o.'ed
unglued
pissy
cheerlessly
dreich
heated
tremulatory
flustered
go crazy
three stops short of Dagenham
lamentingly
mad as a cut snake
depressoid
mad as a meat axe
daffy
hot under the collar
panickedly
paniculately
browned off
spare
go ballistic
in a state
toppy
despairingly
crazy as a bedbug
topsy-turvy
despairfully
miserably
fucky
tame
jeeringly
wretched
lunatical
wretchedness
miserable as a wet hen
suffering
miserable
anguishedly