Meanings
present singular third person drops a dime on someone · participle present dropping a dime on someone · participle past dropped a dime on someone · past dropped a dime on someone
- slangTo inform on (a person); to turn someone in.
It seems somebody has dropped a dime on you guys, and there is nothing more I can do.
1992, “Pinkerton's Inc. and Charles F. Keller”, in Decisions and Orders of the National Labor Relations Board, volume 295, page 540
Synonyms & antonyms
Origin
Referring to the cost of making a phone call, i.e. to the police.
Full word history & related roots →Cite this entry
drop a dime on someone. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/drop%20a%20dime%20on%20someone
“drop a dime on someone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/drop%20a%20dime%20on%20someone. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “drop a dime on someone,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/drop%20a%20dime%20on%20someone.
Source: drop a dime on someone on Wiktionary, CC BY-SA 4.0.