Being Hyper and Happy at the same time.
Danielle was hypie because Mayra got ran over.
by popopopopop May 23, 2005
1 more definition
Also can be spelled HYPHY showing excitement rather it is out of anger or being happy this also can be a dance move when a good song comes on AKA Going stupid dum retarded
At the club last night everyone was HYPIE when E-40 came on.
by Laurie90 May 09, 2006