Heifi

When the kid from Hey Arnold's best friend, named Gerald, takes a shower and his top-hat hair goes down.

Dammit Arnold my hair is SO Heifi.

by Cow Poly January 29, 2006

heify

antagonistic behavior, in your face actions

My boss was all heify on me when I didn't complete my assignment on time.

by Larry Steelman December 22, 2005