1. hitting someone or something with the palm of the hand
Usage: present participle of ‘slap’

1. very good or impressive
Usage: British informal

Examples

• She was slapping mosquitoes all evening.
• The waves were slapping against the dock.
• He kept slapping his knee while laughing.
• The teacher caught him slapping his classmate.
• That’s a slapping good meal you’ve prepared.
• The band played a slapping tune that got everyone dancing.