- fill someone in
- INFORM OF, advise of, tell about, acquaint with, apprise of, brief on, update with; informal put in the picture about, bring up to speed on.→ fill
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fill someone in (informal)1. To give someone detailed information about a situation2. To thrash or beat up someone (slang)3. To murder someone (slang)• • •Main Entry: ↑fill* * *
1) inform someone more fully of a matter, giving all the detailsI filled in a chap and took his money
Useful english dictionary. 2012.