0 the activity of using your mouth and voice to make sounds like a drum machine (= an electronic machine that produces drum sounds):
They have added workshops, seminars, and new disciplines - including beatboxing, the drum-machine sound-effect made with the mouth alone.
His live set incorporates beatboxing with live looping.
The festival will showcase the various disciplines of hip-hop culture, from breakdancing to beatboxing.
You can mix beatboxing with any type of music, as long as you know what works.