play someone false
sell down
traitorize
traitor
stab in the back
eat one's young
dob in
burn
assfuck
rat
go back on
do the dirty on
bilk
sell
sell down the river
ratfink
sell the pass
tie someone's hands
pull the wool over someone's eyes
take for a ride
grass on
let down
grass up
cross up
bluff out
throw dust in someone's eyes
betray
mump
fink
play
sell out
mortify
debauch
shit
abduct
sham
bamboozle
beggar
cheek up to
throw under the bus
roll
run game on
lirt
put a pin in
cheek up
sell someone a bill of goods
turncoat
subvert
disauthorize
dragoon
knife
misconfide
flapdoodle
come the raw prawn
appeal
dastardize
take the shadow for the substance
pauperize
guile
begunk