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