clap out(redirected from clapped out)
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To clap one's hands along to the beat of a song, typically so that one can learn it. A noun or pronoun can be used between "clap" and "out." You clap out the beat, and I'll try to play it on the bass.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
clap something out
to clap the rhythmic beat of something in order to learn it. (Said of music.) All right, now. Let's clap the rhythm out. We'll clap out the rhythm in time with our singing.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.