Basically just like owned but with more emphasis.
Person 1: Fuck dude, my cat got run over by a truck yesterday.
Person 2: Izzowned.
Being beaten in basketball by a team coached by Tom Izzo, whether he is at Michigan State University, or any other school/team he may coach in the future.
Always followed by an Exclamation Point.
Not to be confused with Dantoniowned.
Yes, The Badgers were good. But then they came to the Breslin Center and were completely Izzowned by MSU.
The Michigan Wolverines are ALWAYS Izzowned when they play the Spartans.