Top definition
Can be used in the place of any number of superlative including but not limited to--

Bitchin
Righteous
tubular
etc.

also a direct antonym of gaytarded
That girl is so ostyn, I'd like to take her out for a nice chicken dinner.
by garyjane May 02, 2005
Get the mug
Get a ostyn mug for your Aunt Beatrix.
buy the domain for your pet vlog