full deckism
one's elevator doesn't go all the way to the top
lose one's marbles
tonto
5150
nutburger
loon
détraqué
mad
wackaloon
cooked
mad hatter
mattoid
mystery-monger
loony tune
mindfucker
nut job
high strangeness
nutbag
fruitloop
profane
nutzoid
wackadoodle
nutter
dingbat
lunatically
psycho
fruitcake
cognosce
crazo
drive someone mad
shammer
enfant terrible
drive someone insane
jerkish
malapropism
wankerish
drive someone nuts
dotty
crazyhead
jerksome
tosserish
beweeper
bunny boiler
mashugana
crackpot
manic
sleazebag
mad person
nutcase
bean counter
screwball
sick-ass
insaniac
freako
schmo
basher
hard case
live one
hillbilly
deplorable
fuzzword
shitmonger
stereotypically
bushwhacker
heel
mindbogglingly
set one's hair on fire
jangler
craziness
meshuggener
slut
meatbot
insane
gork
looney-tunes
posturer
holy fool
bad actor
Lallwort
oddment
pisspot
bum head
double entendre
space case
paralytic dementia
helmet
hucksterish
lap dog
disorderly
general paralysis
pawn
clown
general paralysis of the insane
obscenist
stinker
tool
arsehole