pat on the back

pat on the back (1)  {v. phr.}
1. To clap lightly on the back in support, encouragement, or praise.
The coach patted the player on the back and said a few encouraging words.
2. To make your support or encouragement for (someone) felt; praise.
After he won the game, everyone patted him on the back for days.
Categories: {v. phr.}