(idiomatic) To describe a class of objects or a kind of phenomenon in general terms, without specific details and without attention to individual variations.

Several. / Several of.

(derogatory) Someone who is prepared to provide comment or opinion to the media on virtually any topic, either in exchange for payment or in order to gain exposure.

(humorous) One who does not speak can be sure of not saying anything embarrassing.

(idiomatic, hyperbolic) I am very hungry; short form of "I'm so hungry, I could eat a horse."

(set phrase) A linguistic or conceptual distinction which is of no practical importance or which has no effect on meaning; a perceived difference where there is no actual difference.

(simile, colloquial) Behaving in an eccentric, foolish, or kooky manner; very nutty.

(idiomatic, informal) To be skilled, adept, or graceful with or at (something).

To continue to wage war when it is clear that one is not going to win. / (idiomatic) To try to do something so difficult that it will probably end in failure.

(colloquial, rhetorical question, mildly vulgar) A rhetorical question in response to a question to which the answer is an emphatic yes.