get (one's) undies in a bundle
(redirected from gotten undies in a bundle)get (one's) undies in a bundle
To become unduly upset or emotional over something, especially that which is trivial or unimportant. Ah, don't get your undies in a bundle, I'll have the car back by tomorrow morning! In my opinion, people are getting their undies in a bundle over this election.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.