1. To declare verbal ownership of an opponent in a competition. Commonly used to intensify the suckage of the opponent after a winner(you) has been decided.
2. To own
3. An act of dominating an opponent.
h4h4 I just tr0wned your mom.
A Is Da Man: Sorry bud, I have to go, college is tr0wn1ng me.
Tr0wned by life.
"Man, I just tr0wn3d these guys in DOD!"
"I tr0wn3d a 6-pack last night"