In the song 'Happy' by Pharrell Williams the lyrics say: Clap along. What does it mean?
Clap along if you feel like happiness is the truth,
clap along if you know what happiness is to you
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Sign up to join this community"Clap" means to bring the hands together rapidly to produce a shard sound, also called applauding.
To clap along, especially with a song, means to repeatedly clap one's hands simultaneously with other people, and in time with the beat of the song.