When the amount of males in a group exceed the number of females by 4 or more. If they exceed by 8 or more it is considered an Atomic Dude Bomb.
yo, we need to get out of this party, that is the second Dude Bomb to walk in the past 10 minutes.
by LVtheDrizzle August 12, 2009
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Informal
The white boy equivalent of "My nigga!"

Usually used in place of a name or title.
Infrequently used to represent a boyfriend or male companion, otherwise referred to as my mans.
Can also be used as a greeting or salutation.
Bruh #1: "What is up my dudes?"
Bruh #2: "Yo, lil homie, how you doin'"
Bruh #3: "What up, bruh"
by a dude, probably August 3, 2019
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To reject, turn down or say no way in a KDAP$ situation.
Guy walks up to you at the bar.

Look him up and down and say "Nah dude".

(p.s. that doesn't mean come closer to me)
by kdap$ July 16, 2010
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a person who is influenced by the hip hop life style but also shows strong influences from the life style of extreme sports such as surfing and skateboarding.
what up my nigga dude, whachu thinking to do today?


by Cap. T September 26, 2008
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Dude Card (n.) - The Dude Card is a metaphorical "card" that signifies all that means being a guy. It is used so that other Dude Card holders can let a fellow dude know when he is not acting like a guy.
Being a Dude Card holder allows you to enter into the wing-man partnership
by Scott Butler October 29, 2005
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A modern legal term, _Bona Dude_ means "in good dude" in a cross of Legal Latin and Modern English. The term stresses the entirely "good dude" nature of the person to whom it refers. A "bona dude" is sincere and earnest about being a good dude.

First used by @SCOTUSblog on Twitter, 2017 June 26.
The Supreme Court of the United States lifts injunction against travel ban, except with respect to individuals with _bona dude_ relationship to the US.
by patchmonkey June 26, 2017
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