Related Clues:
- Express approval
- Show appreciation at a performance
- Thunder unit
- Sound of approval
- Give the performers a hand
- Heap kudos on
- Show some love, so to speak
- Give it up, so to speak
- Loud, abrupt sound
- Abrupt bit of thunder
- Smack two palms
- Sound after a bolt
- Show support
- ... thunder
- Summon a servant, maybe