rat on

verb

To tattle, squeal about (someone)

Similar
tell on
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Meanings

verbrat on (third-person singular simple present rats on, present participle ratting on, simple past and past participle ratted on)

present singular third person rats on · participle present ratting on · participle past ratted on · past ratted on

  1. transitiveTo tattle, squeal about (someone)

    Who you protecting, you dumb asshole? A stoolie who rats on his own friends?

    1984 May 23, Leonardo Benvenuti, Piero De Bernardi, Enrico Medioli, Franco Arcalli, Franco Ferrini, Sergio Leone, Once Upon a Time in America, spoken by Beefy (Frank Gio), Regency Enterprises & The Ladd Company, distributed by Warner Bros. & Titanus

    Synonyms: tell on

Synonyms & antonyms

verbTo tattle, squeal about (someone)

Similar
tell on
Also see
finger
Cite this entry
APA

rat on. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rat%20on

MLA

“rat on.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rat%20on. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “rat on,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rat%20on.

Source: rat on on Wiktionary, CC BY-SA 4.0.