1987 - bazillionaire: a person of enormous wealth.

1988 - beatbox: to make rhythmical sounds with the voice and mouth in imitation of the rhythms of hip-hop music.

1989 - crowd-surfing: the action of lying flat while being passed over the heads of members of the audience at a rock concert, typically after jumping into the audience from the stage.

1990 - emoticon: a representation of a facial expression formed by a short sequence of keyboard characters (usually to be viewed sideways) and used in electronic mail, etc., to convey the sender's feelings or intended tone.

1991 - nu skool: of or designating any of several styles of popular music which incorporate contemporary elements into an established genre (esp. hip-hop or house music); (also) designating a performer of such music.

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