beatboxing

noun

1. a musical style or technique, especially in hip-hop, in which the sounds and rhythms of percussion instruments or a drum machine are simulated by using the mouth and voice: We heard some amazing beatboxing last night.

noun

1. drum machine.
2. Slang. boom box.

verb (used without object)

3. to simulate the sounds and rhythms of percussion instruments or a drum machine by using the mouth and voice: Have you ever heard someone beatbox like that?

noun

1. a form of hip-hop music in which the voice is used to simulate percussion instruments

noun

1. informal a drum machine