- go to the bathroom
- go to the bathroom1. Fig. Euph. to go into and use a restroom, bathroom, or toilet. •
Bill: Where is Bob? Jane: He went to the bathroom.
•John went to the bathroom to brush his teeth.
2. Fig. Euph. to eliminate bodily wastes. •Mommy! The dog went to the bathroom on the carpet!
•Billy's in there going to the bathroom. Don't disturb him.
Dictionary of American idioms. 2013.