⚜Drop a dime
☆(idiomatic, slang): To make a telephone call.
☆ ( idiomatic with on ) :To inform, to call the authorities (on).
▪︎He was in the back for a few minutes. Turned out he was dropping a dime on Ralph.
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Synonyms
: dime, snitch, rat out, grass up.
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Near-synonyms:
give [someone] up, give [someone] away; spill the beans, let the cat out of the bag
