a slap on the back
• congratulations or commendations.
• "they deserve a hearty slap on the back for their efforts"
Similar:
congratulations,
commendation,
approbation,
approval,
accolades,
encomiums,
compliments,
tributes,
a pat on the back,
praise,
acclaim,
acclamation,
a round of applause,
a (big) hand,
kudos,
laudation,
