Someone who thinks they play a sport better than the people on TV, and proceeds to coach them from the comfort of their couch.
John (while eating a pack of Pringles) Come on, pass the ball, he's open! I can't believe you missed that shot! RUN, You can go faster than that!

Mary: Quit being such a couch coach. You get tired walking a flight of stairs.
by avernew September 14, 2009
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Someone who is at home watching a sport event (such as football etc.) on television at home and thinks that they know how to play the sport better than those that are actually competing. This leads to unnecessary yelling of comments towards the screen, which the athletes can not hear anyway.
A couch coach can be any sort of television sport spectator, but is often someone that lacks any real sporting ability.
Derived from the television environment (couch) and the constant yelling similar to that of a coach. Also just a fun spin on the classic "couch potato".
*PASS THE BALL! COME ON! PASS THE BALL!*

Come on dude, quit being such a couch coach.
by CJ Moose July 12, 2014
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