congratulatoryslap
nounUK /kənˌɡrætʃʊˈleɪtəri slæp/
US /kənˌɡrætʃəˈleɪtɔri slæp/
A happy hit on the back that friends give to say well done.
When Ben won the race, his teammate gave him a congratulatory slap on the back.
OTHER MEANINGS
2. A playful smack given to celebrate a small success.
She gave her brother a congratulatory slap after he finished his puzzle.
3. A firm pat on the shoulder used to show praise in sports.
The coach's congratulatory slap told Mia she had played well.
4. A joking hit between friends to mark good news.
He got a congratulatory slap from his pals when he passed his test.