Someone who says they're down for something, then says they're not. Similar to a flake, but worse. Science says that 1 in every 5 persons is a "hype"
Bro 1: "Hey bro! Lets go to the casino, then hit the strip club after."
Bro 2: "Im fuckin down!"
Later that night...
Bro 2: "So you down bro?"

Bro 1: "Nah man, imma stay in with my girl"
Bro 2:"Fuckin Hype ass foo!"

"Are you down or are you gonna be a hype?"
"Of course im down, I aint a hype."
by Chenzo_ April 17, 2015
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a cross between excitement, and anger.
bob: (listening to next hype tempa t). Starts jumping around punching people happily and screaming.
dave: dude, calm down your getting too hyped.
by DJTinyGM December 21, 2010
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Another word for effort. Usually in terms of how much energy would be used to do something. Whether something is worth doing or not based on how difficult it would be. Stoner Slang.
Lets hype over to Emma's place, she just made brownies!
by HiddenLotus April 26, 2011
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boy1: wots rong wiv you hyping on a girl
boy2: nuffin G
by tipsz1 wun September 4, 2006
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To be on a hype is to be very excited, hyperactive.
1/He got drunk and was runnin round on a hype.
by HeDgEs18 June 1, 2005
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(adj.) great, superb, 'with it'.
That's some hype car you have.
That book? Yo, that's hype.
by Prof. Cyril Neume November 23, 2002
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