the lowdown on

the lowdown on idiom
The whole truth about something, as in We're waiting to hear the lowdown on what happened after we left. This term uses lowdown in the sense of “the basic or fundamental part.” [Slang; early 1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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