Meaning of “loosen sb's tongue” in the English Dictionary

british dictionary

"loosen sb's tongue" in British English

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loosen sb's tongue

to make someone speak more freely:

A couple of glasses of champagne had loosened my tongue and I said things that perhaps I shouldn't have.

loosen sb's tongue

to make someone speak very honestly:

A few beers should loosen his tongue.

(Definition of “loosen sb's tongue” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)