An old coot is a foolish or eccentric person,a stupid fellow,a simpleton.

A coot is not only a stupid or dim wit of a person, it is also a bird. The coot (bird) has a black fethered back and could ether have a yellow, orange, or white beak
"There is not a thing wrong with me, you old coot!"
by smart one 321 September 24, 2015
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Dirty old man whose whole life revolves around passing gas at work and growling uncontrollably at sumptous young women at the coffee shop.
"Has the King of Pain put in his retirement papers yet?"
"Not yet."
"The old coot is going to lose it all if he doesn't act quickly!"
by bullydog55 February 15, 2008
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what you call an old man driving slowly in front of you. If you take notice, usually they will have a hat on! They are usually in buicks or pick-up trucks. Also see gramps champs
"Urgh this old coot in a hat won't get out of my way and I can't pass him!"
by BenjamminL04 October 1, 2006
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