Top Definition
Someone who you don't know, but see frequently enough that you say "hey" to each other every time you pass.
Guy 1: Hey.
Guy 2: Hey.
Friend of Guy 1: Who was that?
Guy 1: Just my heyguy.
by Douglas Young September 09, 2007

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An annoying individual without friends who always tries to start a conversation with your squad by saying "Hey Guys"
Jaewon: Omg look it's this Hey Guys again.
Blair: Ya, I can see him, let's leave before he comes to us.
by MUhashir October 02, 2016

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1) A greeting between two individuals who may or may not known one another's name.

2) A high energy textured rock group based in Manhattan, NY.
1) Hey (pause) guy.

2) Remember when one of the guitar players from Hey Guy was shredding while the other fed him a sandwich?
by AlwaysWantedLana December 30, 2010

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1. A phrase used to greet friends or other people close to you; usually is paired with "Arms Thing" while saying it.

Note: This is the one and only true definition.
Yellow: Hey Guys! *arms thing*
Blue: Ay Wassup!
Red: Sup Nigga!
by arms man January 09, 2010

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Someone who tries to be cool but is not.
Marty is so hey guys. He wears his collar up all the time.
by Jack April 28, 2003

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