1. a hospital gown that opens in the back
Usage: informal
2. a fellow or man
Usage: informal; sometimes capitalized

Examples

• The nurse helped him put on the johnny before his examination.
• He felt embarrassed wearing the johnny that barely covered his back.
• The johnny was made of thin cotton material.
• Hey johnny, can you help me with this?
• That johnny over there seems to know what he’s doing.
• The old johnny at the store always has good advice.