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.
pat on the back 2 n. phr. 1. An encouraging tap of the hand on someone's back; a show of sympathy or support. I gave her a pat on the back and told her she had done fine work. 2. A word or gesture of praise or other encouragement; applause. Pats on the back weren't enough; he wanted hard cash.