insane
abnormal
absurd
apish
asinine
batty
bedlamite
befooled
beguiled
bereft of reason
besotted
boneheaded
brainless
brainsick
buffoonish
cockamamie
cockeyed
crackbrained
cracked
crazed
crazy
crazy about
credulous
cretinous
daffy
dazed
deluded
demented
deprived of reason
deranged
dim-witted
disoriented
distraught
dizzy
dopey
doting
dumb
fat-witted
fatuitous
fatuous
flaky
flighty
fond
fool
foolheaded
foolish
frolicsome
fuddled
futile
Randy
auld
awd
cheeky
craziest
goofy
half-baked
idiotic
lucky
owd
puir
runty
scary
snide
stuck-up
uncalled
unknowable
voyeuristic
winsome
Taft
aft
craft
draft
draught
graft
haft
kraft
laughed
raft
redraft
shaft
staffed