5-O became a slang term for police after the hit show "Hawaii Five-O". The show was centered around a fictional division inside the State-Police of Hawaii and carried the same name as the television show "Hawaii Five-0". The division's name gets its origin from honoring the fact that Hawaii was the 50th state to become apart of the United States of America.

The words 'Break Boy and Break Girl' originated from the Bronx of New York. In the early 70's Dj Kool Herc would play the 'breaks' of songs. Meaning, he would only play parts of the songs where it was beat only, no lyrics. This would excite the people to dance. So in turn girls and guys who danced to these 'breaks' were called 'Break Boy and Break Girl' or 'B-Boy; B-Girl' in short.

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 'beatboxers' can be found in several urban settings. Beatboxing can be very simplistic where one creates rhythmic patterns or if done by a master like, Rhazel from the Roots, the person beatboxing can reproduce entire songs with his mouth.

To have beef with someone is wanting a fight with them. A person having something against someone else or wanting an argument or a fight.
(50 cent: life's on the line) "Beef u dont want none so dont start none"

Plagiarism. To rip off another person's style, especially with respect to music or fashion. From early hip-hop culture.

Copying another rap artist's lyrics in a plagiaristic form. This is often done while rapping "freestyle".

The act of writing a grafitti tag in a highly visible public place.

A form of hip hop dancing said to be orginated from the bronx during the early 70's. dance includes toprocks, headspins, footwork, power moves, etc.

Two or more b-boys or b-girls breakdancing in a circle together in an informal freestyle manner. They could be battling or simply playing off of each other. In larger groups, usually one or two people will go in the middle and break while others in the circle look on and cheer them on.

Organized group of writers/dancers.

Short for disc-jokey. A musician that can blend music in harmony and can add a scrathing effect into songs using two turntables and a mixer at parties. A person who's whole responsibility is to make a crowd of people dance and enjoy the night.

Derived from the original abbreviation "MC," now used as the generic term for anyone who speaks over a beat, or performs songs that could be termed "hip-hop." Afrika Bambaataa and his contemporaries at the Universal Zulu Nation were the first to exemplify this term.

A rappers ability to vocalize a rhythmic yet complex string rhymes that fit together in a logical and seamless manner.

The music first developed in the early 1980's primarily in major cities like the New York, Philadelphia, and New Jersey area of the Eastern United States of America. It was a fusion of 70's disco and 80's breakdancing music, influenced also by sampling found in Hip-Hop. The genre can be further subdivided into Old Schooland New School. Old school was generally made before 1991.

A name for the 4 elements of the late 70's New York City renaissance which includes break dancing, emceeing, graffiti, and turntablism.

Identifies the early days of hip hop and might also be used as a way to reference one's style. Depending upon the age and one's first exposure to hip hop music that's categorized as old school could have been released anywhere from 1979 to 1986 or even 1988.

Rhyming is synonymous with the word rapping. The word rap is often used to communicate with those outside of hip hop culture.

The art of playing the turntable as a musical instrument. Not to be confused with DJing, which is more about providing dance music and/or mixing beats. Turntablism is more about manipulating sounds and creating rhythms or even melodies by scratching and techniques using a mixer.

Underground refers to music that is not mainstream. The term is also used to refer to a certain sound or feeling that one gets from that sound.

This word has been with us for over two decades and is used to describe work of poor quality. To say that something or someone is whack is to say that it is terrible.