| 1. | (sometimes lowercase ) a familiar term of address for a man or boy. |
| 2. | (sometimes lowercase ) Slang. a short, collarless gown that is fastened in back and is worn by hospital patients, persons being examined in a doctor's office, etc. |
| 3. | (lowercase ) Slang. toilet; bathroom. |
| 4. | a male given name, form of John. |
johnny john·ny (jŏn'ē)
n.
A loose short-sleeved gown opening in the back, worn by patients undergoing medical treatment or examination.