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split on

verb, British

Synonyms and Antonyms of SPLIT

to give information (as to the authorities) about another's improper or unlawful activities <promise you won't split on us, and we'll tell you what happened>
Synonyms fink, grass (on) [British slang], inform, rat (on), sing, snitch, split (on) [British], squeak, talk, tell (on)

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