To clap your hands is to strike the palms together in praise. Clap your hands at the end.
How long a crowd claps is decided by everybody listening to everybody else, which is why it stops all at once. To clap your hands twice is also how attention is called in a room of children.
1phraseclap your handsTo strike the palms together in praise.
“They would clap your hands until the curtain came down.”
clap your hands is a gesture.
Practised in Body Language & Gestures