planning to own somebody (make a fool of somebody).
Or whilst owning someone.
Or even when telling someone they have been owned, u may js shout ownage in their face (in a non-aggressive way)
A period in your life wherein you game alot and play it good. The period stretches usually from 13-16 years. This period can be re-lived at the age of 18.
Hans: Dude i played Killzone 2 yesterday till'5 o clock in the night! And i got 400 points in one round!