Top Definition
A violation that occurs when whitewater rafting. This happens when one forgets to hold onto the T Grip of their paddle and knocks it into the face of one of the other members of their raft. The T Grip is the most dangerous part of the river.
Bob: you look awful! What happened to your teeth?
Tim: I went whitewater rafting and the guy sitting in front of me made a T Grip Violation.
by misty121187 November 19, 2010

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