get (one's) panties in a knot
To become overly upset or emotional over something, especially that which is trivial or unimportant. Primarily heard in US. Ah, don't get your panties in a knot, I'll have the car back by tomorrow morning! In my opinion, people are getting their panties in a knot over this election. A: "Oh no, our picnic is ruined!" B: "It'll stop raining soon—don't get your panties in a knot."
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.