rat on
• inform on someone.
• "he refused to rat on his buddies"
Similar:
inform on/against,
betray,
be disloyal to,
be unfaithful to,
break one's promise to,
break faith with,
sell out,
stab someone in the back,
tell on,
sell down the river,
blow the whistle on,
squeal on,
peach on,
grass on,
shop,
stitch up,
do the dirty on,
rat out,
finger,
drop a/the dime on,
pimp on,
pool,
put someone's pot on,
