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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 28, 2010
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