The object of which somebody is "pwned" with, often associated with the banhammer. After the event of which somebody is pwned with the object, the object is then known as a pwnstick for the rest of its existence.
When somebody is the victim of a pwnstick attack, he has been pwnstick'd. The term "pwnstick'd" is a synonym for owned, pwned, and banned.
A large penis.
Josh just got fuckin' pwnsticked!
Kate rode his pwnstick like a bike.