Definitions by Mellykins

Gronk 

Haylee.
Only to be used as a non-derogatory term towards someone meaning they're a fool, or embarass you in public.

*Haylee starts 'dancing' or 'shaking her fists' in a style to emphasise the genre of music (hardcore) in which she is listening to. Bestfriend sits next to her.
"Omg Haylee, you're such a gronk"

Gronk by Mellykins January 8, 2009