Not a Brian or a Louis, a "cool dude" is someone with a cool personality. This term is not gender specific, because women too, can be "cool dudes"
Man, Faith is a cool dude, dude.
by I_dont_like_sand_ November 8, 2016
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A person who describes another being with this adjective insults them, referring to them as being a camel's penis.
Person 1: Heeey man, look at mah mad wheelz and mah full on sub woofer
Person 2: wow.. you're a cool dude...
by Jayjello September 29, 2010
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A generic understatement for approval of a relevant item. The word "dude" has no gender context, and may be used to refer to objects that are non-male and even non-human. Any incontinuities in speech may be used throughout the phrasing of the sentence.
String cheese is a pretty cool dude.

The British Regency Era is a pretty cool dude.
by autumn2012 August 29, 2010
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The highest compliment someone who associated with your parents can give about you.
Johnny told Biff his nephew was a VERY cool dude.
by The Gosh Dang Bruin February 10, 2020
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A typical response to a dumb or pointless anecdote among friends.
Kyle: So, today I was driving home from work and I noticed a streetlight was out.

Kavon: Cool Story Dude!
by Coolius September 11, 2008
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Sarah is such a cool person that when you see her you can't resist opening your mouth and say: "Wow Sarah, why you look so cool dude?"
Wow Sarah, why you look so cool dude?
Wow! Sarah why you look so cool dude?
Dude wow?! Sarah why you look so cool
by gluten free banana bread December 17, 2019
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