get (one's) knickers in a knot
To become overly upset or emotional over something, especially that which is trivial or unimportant. Primarily heard in UK. Ah, don't get your knickers in a knot, I'll have the car back by tomorrow morning! In my opinion, people are getting their knickers in a knot over this election.
all fur coat and no knickers
Good-looking on the surface but lacking substance underneath. I thought David and I would really get along well, but we had nothing to talk about at dinner—he's really all fur coat and no knickers. Our new boss sounded like she had a lot of good ideas for the department, but it turns out she's all fur coat and no knickers.
get (one's) knickers in a twist
To become overly upset or emotional over something, especially that which is trivial or unimportant. Ah, don't get your knickers in a twist, I'll have the car back by tomorrow morning! In my opinion, people are getting their knickers in a twist over this election.
be all fur coat and no knickers
To be attractive on the surface but lack substance underneath. I thought David and I would really get along well, but we had nothing to talk about at dinner—he's all fur coat and no knickers. Our new boss sounded like she had a lot of good ideas for the department, but it turns out she's all fur coat and no knickers.