crooked as a dog's hind leg
crooked as a barrel of fish hooks
sheisty
jackleg
unscrupulously
unscrupulousness
overscrupulosity
overscrupulousness
rogue
stand upon points
fraudulently
untruther
overscrupulously
deceitfully
overexact
hyperscrupulosity
dishonestly
venally
roguish
irresponsibly
fraudfully
ethically challenged
sophisticative
unworthily
deceivingly
false
double-faced
thugduggery
deceptively
dickheaded
untrustworthily
deceivous
ultraindulgent
inscrutably
whillywha
loopie
double-handed
duplicity
buccaneering
fraudulence
knave
flim-flam
crafty
counterfeit
fox
fob
play a trick on
pull a fast one on
plagiaristically
foxery
play tricks
play a joke on
trick
overindulgently
sleveen
phony as a three-dollar bill
rannygazoo
sordid
skulduggery
unpraiseworthily
unhonest
shoddy
dirty
displaying incompetence
miscredit
speak with a forked tongue
incompetently
imprudently
deceitful
deceptory
fallacious
nitwit
bent as a nine-bob note
fecklessly
indirection
bastard
bogus
bilinguis
doofus
phoney
cutthroat
phony
overnegligent
dimwit
dishonest
fake
trickery
dishonorable
knavery
fake-ass
foolhardily
delusively
sneaky
half-wit