Johnny-on-the-spot (English, noun)
expansion: Johnny-on-the-spot (plural Johnny-on-the-spots or Johnnies-on-the-spot)
Senses:
glosses: A person who is conveniently in the right place when needed.
tags: US
slang
Forms:
form: Johnny-on-the-spots
tags: plural
form: Johnnies-on-the-spot
tags: plural