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