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1. haphy
a) Acting or being ridiculously happy.
b) A ridiculously good mood.

Comes from a mispronunciation of the word hyphy made by me while I was rolling balls.
"I feel hella haphy right now, bitch."
"Damn, that dude is haphy as a mothafucka."
2. Haphy
Haphy movement or lifestyle of being crunk or full of enrgey
slang from da bay area
Tell me When to go iz da most Haphy song eva