someone who spends most of their time watching TV and doesn't exercise or have any interesting hobbies. Such a person spends most his/her free time sitting or lying on a coach.
My hubby is killing me; he never socializes. He's never asked me to go out; he's a coach potato.
by Iyad Abdelrahman March 29, 2008
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An extremely lazy coach; posts when practice/game is an hour before practice/game, so half of the team shows up;
-When is your next game? Maybe my team will play you.

-How the hell should I know!!! Mr.______ is such a coach potato.

-Oh, haha, sucks for you.

by Fshneed April 11, 2008
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coach potato is used to describe someone who sits on the coach all day and does nothing (common knowledge)
a coach potato is a potato that is a coach potato (from an old cartoon show).
{to a potato}: your such a potato coach
by shiznitzan December 26, 2006
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