Definitions by The Jersey Journal.

Matt Excelz 

Matt Excelz professional Halo player known for all his live stream & youtube antics with his trash talk grounding majority of his followers to most Matt Excelz is now a household name to his fans known as the "Harry Potter Gang " or HPGoD.

You're mad as hell you aren't Matt Excelz because he had sexual relations with your mother.

Matt Excelz by The Jersey Journal. January 23, 2013