four-one-one

4-1-1

Information, knowledge, or details. In the US and Canada, "4-1-1" is the telephone number for Information. OK, who's got the 4-1-1 on the cute new guy in our English class?
Farlex Dictionary of Idioms.

four-one-one

and 411
n. information; the details about something or someone. (In the U.S., the telephone number of directory assistance or information is 411.) What’s the 411 on the new guy in the front office?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • 411
  • 4-1-1
  • the inside dope
  • inside dope
  • inside information
  • inside story
  • in/out of the loop
  • JFYI
  • the word on the street
  • word on the wire
References in periodicals archive
Carrie Underwood's four-year-old son Isaiah recently wanted to obtain the four-one-one on the singer's activities inside their home, so he kept a close watch on his mom and the rest of their family.
A "one eighty-seven" is a homicide, derived from the California penal code number for that crime, often used as shorthand on police radio; by extension, it also means "No chance" or "Any possibility is dead." Information technology remains a fruitful source ("four-one-one" means "gossip" or "information"), but as usual the best words come from technology's failures.
Though the Cupertino giant is known to be very secretive, tech sites still manage to find out the latest four-one-one about its operations thanks to leaksters and the patents it has obtained. 
Tesla Motors CEO Elon Musk has finally revealed the four-one-one on the version 8.0 of his car's Autopilot feature, and it appears that the software update will be one that could really prevent fatal collisions. 
To help consumers discern which iPhone best matches their needs, we bring you the four-one-one on the two handsets that are expected to hit the market on Sept.