Definition of "johnny" in English

noun

1. (UK, Ireland, slang) A condom.

2. (New Zealand, derogatory) An inexperienced new worker, usually an immigrant.

3. (New England) A hospital gown: a gown with a back opening closed with snaps or ties, worn by hospital patients.

4. (US, slang, dated) Synonym of john: a toilet, lavatory, outhouse, or chamber pot.

   • The women's toilet (as distinguished from the ladies' room in a speakeasy, the johnny at school, the little girls' room at a party in an apartment, and the wash-my-hands on a train) was clean enough.

5. (Ireland, slang, archaic) A half-glass of whisky.