Don't get your panties in a wad

Meaning

Stop being so tense, dramatic, or upset. This is a very common way to tell someone to relax when they are making a big deal out of something minor.

Crude, dismissive

Used in a sentence

• Do not get your panties in a wad, it is just a scratch on the bumper.
• I am just joking around, so do not get your panties in a wad.
• She got her panties in a wad because the store was out of her favorite soda.