[let one have it] {v. phr.}
1a. {slang} To hit hard.
* /He drew back his fist and let the man have it./* /Give him a kick in the pants; let him have it!/
Syn.: GIVE IT TO.
1b. {slang} To use a weapon on; to shoot or knife.
* /The guard pulled his gun and let the robber have it in the leg./
Compare: OPEN UP.
1c. or [let one have it with both barrels] {slang} To attack with words; scold; criticize.
* /Mary kept talking in class until the teacher became angry and let her have it./
Syn.: LIGHT INTO(2).
2. {informal} To tell about it. — Used in the imperative phrase, "let's have it".
* /Now, Mary, let's have it from the beginning./* /We will take turns reading; John, let's have it from page one./
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