Past participle of spank which means
to attack someone's ass while their pants are down and they can't defend themselves. Often for the amusement of others.

To be beaten decisively in a contest, especialy a sporting event.

To utterly defeat your enemy.

To be fucked out of your mind. Above being shit faced.

Word Created by Joe Laing.

To get "Spanked", or getting "Spanked" is more or less another word for wasted or drunk to the point beyond belief.
If you were to drink excessive amounts of alcohol, smoke uncontrollably and do copious amounts of drugs all within a small time frame, using the synonym "Spanked" would fit.

A term used if you've done too much ketamine! Which usually results in a massive k hole

When your about to make a post about something on a forum,and someone posts it just when you were clicking "submit", You got spanked.