slap someone on the back

slap (one) on the back

To give one a sign or expression of praise or approval. Brett's boss slapped us all on the back after we completed the project early and under budget.
See also: back, on, slap
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

slap someone on the back

congratulate someone heartily.
See also: back, on, slap, someone
Farlex Partner Idioms Dictionary © Farlex 2017
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