don't make a federal case (out) of (something)

don't make a federal case (out) of (something)

Don't exaggerate or build up the importance of something; don't make a big deal out of something. The phrase is often used to complain that someone is exaggerating a problem or alleged wrongdoing. So I ate your leftovers. Geez, don't make a federal case out of it! A: "I know you borrowed my new sweater without asking me first." B: "Oh, come on, don't make a federal case out of it."

See also: case, federal, make, of

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