A polite way of responding to thanks, by suggesting that the service is too trivial or humble to warrant thanks; you're welcome. / Used other than figuratively or idiomatically: see don't, mention, it.

(colloquial, idiomatic) Do not worry about it.

Don't release saliva when you're talking.

(idiomatic) Used as a mockery to someone who is about to be or should be confined in prison.

A caution that the activity being described or demonstrated is not safe for ordinary members of the public to attempt.

People of African descent tend to wrinkle less with age than people with fairer skin.

(humorous, informal) An expression of disappointment, especially towards something of or pertaining to The Flintstones franchise.

Indicates that the speaker has no interest or emotional investment in the topic at hand.

(Internet slang) Said to urge another not to respond to disruptive attention-seeking behavior, particularly in online contexts, by pointing out any such response is likely to be counterproductive.

Advice to writers: convey an impression by the way that events are described in the narrative, and not by explicitly stating facts.