ad in

ad in

In tennis, a shortening of "advantage in," meaning the server has the advantage and will win the next point after deuce. The score is ad in because Tiffany is serving, and she has the advantage.
See also: ad
Farlex Dictionary of Idioms.
See also:
  • advantage in
  • advantage out
  • ad out
  • get the advantage of
  • get the advantage of (something)
  • advantage
  • get the weather gage of (someone or something)
  • turn (something) to (one's) advantage
  • turn something to your advantage
  • turn to advantage