1. verb; the attempt made by one to vocally replicate the sounds that would normally eminate from a drum set, drum machine or drum loop through a series of noises or popping sounds made with the mouth. 'beatboxing' is used throughout the hip-hop scene, and talented 'wordbeatboxers/word' can be found in several urban settings.

2. noun; a drum machine.

3. noun; slang for a wordboombox/word.

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

Beatbox is the 5th element of hiphop and is known for its creativity of a person making sounds or beats with their mouth.

Originaly a drum machine. Used in the Hip-Hop/Rap culture.

Now known as making beats with your mouth.

In 1985 an MC named Doug E. Fresh introduced to the world the first human Beat Box. He did a song called "La Di Da Di" where he made the beat with is mouth and MC Ricky D (later known as Slick Rick) did ryhmes over it. The song became classic and people even tried to beat box as good as him.
There hasn't really been a good beat boxer than Doug E. Fresh, but nowadays theres another beat boxer named Rahzel that likes to copy song with beat box and make them as sound as close as possible. He is very excellent at human beat boxing and human turntablism

To create musical beats with ones mouth and vocal chords. To immitate a drum with ones mouth. To immitate unusual noises within a beat.

when you're dad or grand pa put you in a box then start beating it they call it the beatbox

An annoying co-worker who makes dumb sounds or mumbles phrases to themselves. (Known to be even more annoying when they do this while entering your office or when you walk by their desk, in a lame attempt to catch attention). Calling them a beatbox allows you to talk about them in public and makes people think you are discussing american idol.