When a professional athlete, usually a quarterback; after doing well commonly including playoff victories will completely FUCK UP during the next few seasons.
Bob: damn, Rex was so good up until the superbowl, now he's some straight up trash. What happened?
Steve: He caught the Rex Grossman disease
Steve: He caught the Rex Grossman disease
by ooberman February 18, 2009
Get the Rex Grossman Disease mug.by ibanez926 September 17, 2007
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AKA Rex Gaysex. Rex Grossman is a horrible quarterback who makes throwing decisions based on what defensive player he thinks is the cutest. When he fumbles, it happens because he is too busy trying to finger olin kruetz asshole and forgets to take the football. Rex Grossman sucks, he takes nothing seriously... except gaysex.
"Rex Grossman is so bad, I can't believe he just made that throw!! My dead grandmother couldve punted the ball more accurately, what a gaysex dickloving queer!!"
by Kyle Orton December 9, 2008
Get the Rex Grossman mug.by Queefer McQueef November 16, 2006
Get the Rex Grossman mug.The starting quarterback for the Chicago Bears, who is going to start his second year in the NFL in 2004. He has shown that he can lead the Bears well, and hopefully will keep improving and get da bears back to the super bowl.
by Frolicking Bear February 8, 2004
Get the Rex Grossman mug.In American Football, the act of a Quarterback dropping back to pass, and then fumbling the ball away, particularly in an important situation.
My Niners would have won last week if only Alex Smith hadn't pulled a Grossman in the fourth quarter.
by RaDio3210 September 27, 2011
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