snitch
ratfink
dob in
grass up
grass on
et tu
fink
clepe
counterbetrayal
stab in the back
talk
tell on
rouse
give someone to understand
betrayingly
sell someone out
doublecross
whiddle
sell down the river
canary
dish the dirt
assfuck
burn
sneak
dishonour
roll
distrustful
treacherous
verbal
homeycide
rat out
dime
thirty pieces of silver
whistleblowing
inform on
betrayment
betrayal
Iscariotism
teach
tell
betraying
show the white feather
sell the pass
double cross
throw under the bus
dastardize
double-crossing
betray
put one’s hands up
traitor
incriminate
put one's hand up
shaming
get on someone's case
overexposure
humiliate
rebetrayal
confessor
work over
repose
treason
debauch
guilt-trippy
put someone in a false position
dishonorary
lose face
go down like a lead balloon
rat
go over like a lead zeppelin
singing
traitordom
sell out
take aim
confound
compromise
disembosom
Oprahization
go down like a lead zeppelin
traitorize
compunctious
nail
put to shame
squeal
gibbet
sia suay
tergiversation
eat one's young
tattle
peccavi
let in on
beat up on
self-sabotage
blow the lid off
likely story
countercriticize
blamey