flip out
flip
siao
kee siao
fruity
go to Prestwich
batty
cracky
up the wall
toppy
three stops short of Dagenham
go bananas
madden
bats
bonkers
go nuts
nut-bar
funny in the head
one fry short of a Happy Meal
bugfuck
berko
spitting mad
nuts
off one's trolley
gila
daft
mad as a meat axe
distraught
off one's dot
round the twist
bananas
wud
jeeringly
flip one's wig
flip one's lid
throw a fit
lose one's temper
combust
hit the roof
blow one's stack
fly off the handle
have kittens
hit the ceiling
blow a fuse
go ballistic
blow up
rear
have a fit
mad as a cut snake
crazy as a bedbug