shonky
covinous
unhonest
lunky
skank
dull-minded
snide
loopie
shysterish
weaselly
wrong 'un
shite
rogue
sophisticative
murky
shifty
greasy
jackleg
dufferish
double-faced
fork-tongued
disreputable
sleeky
dotty
ungallant
crooked
ethically challenged
knave
mouth breather
melon-headed
sad
skulduggery
gullible
punk-ass
yutz
addle-brain
addlehead
Homer Simpson
light-witted
gowl
snake in the grass
snake
Daedalian
two-faced
forked tongue
phony as a three-dollar bill
sneaky
rinky-dink
feather merchant
paralogist
take the shadow for the substance
dim bulb
skanker
underwitted
smart-alecky
dickheaded
wiliness
sottish
shitheaded
addle
Dogberry
chowderheaded
jabroni
maidenless
seamy
feeblemindedness
raffish
sadster
dirty
jackanapes
whippersnapper
guilefulness
nitty
guile
wanky
lightweight
doofbag
hollow-hearted
roguish
schmo
gobdaw
dumb as a doornail
half-assedly
mullet-headed
gonk
bêtise
wazzbag
rascal
untruthful
fuckoff
lackwit
deceitfulness
dipshidiot
sadfuck
ineptly
fake-ass
bad-minded
Simple Simon
trucker
imprudentness