from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To use the toilet (nearly always refers to women only).
- v. To temporarily leave the company of others, often to a restroom, for a brief respite from a crowd, to engage in private conversation, reapply make-up, etc.
Euphemistically identifies the purpose of a lavatory as a place to apply make-up. (Wiktionary)