use strong language

use strong language

To say things that are somewhat offensive, obscene, vulgar, or threatening. My dad was pretty mild-mannered when we were growing up, so you could always tell when he was mad because he'd start using strong language. I think the fact that she used such strong language during her appeal really hurt her chances of having the decision overturned.
See also: language, strong, use
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

use strong language

Euph. to swear, threaten, or use abusive language. I wish you wouldn't use strong language in front of the children. If you feel that you have to use strong language with the manager, perhaps you had better let me do the talking.
See also: language, strong, use
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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