pee one's pants

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pee one's pants (third-person singular simple present pees one's pants, present participle peeing one's pants, simple past and past participle peed one's pants)

1. (informal, idiomatic) To wet oneself; to urinate in one's clothes while wearing them.
   • 2015 December 19, Tom Armstrong, Marvin (comic):

     (Marvin) I'm so excited about Christmas being less than a week away, I could pee my pants!
     (Bitsy) Exactly how is that different than any other time?

2. (informal, idiomatic) To laugh uncontrollably.
3. (informal, idiomatic) To be extremely frightened.

• • pee in one's pants
  • piss one's pants
  • wet one's pants