1. To publicize someone or something in an aggressive, possibly unwarranted, manner. A noun or pronoun can be used between "hype" and "up." All those commercials hyped the movie up way too much—I have no interest in seeing it now.

2. To cause someone to become extremely excited. A noun or pronoun can be used between "hype" and "up." Loud music hypes up the team before a game.

1. Very excited and energetic. Loud music gets the team hyped up before a game.

2. Overly and aggressive publicized. Once something is too hyped, it becomes completely unappealing to me.

3. High on drugs. Of course she's hyped up—look at how dilated her pupils are!