2 definitions by NotThatGuy2015

Top Definition
The word you use when you really want piss your girlfriend(s) off after they send you one of those messages where she is trying to spark a long in depth conversation about your relationship after you simply say "i am going out tonight."
by NotThatGuy2015 January 14, 2011
This is a person that is pretty much a sarcastic asshole and/or a slightly balding fuck. They try to make you laugh by tellin terrible jokes about some dead guy that nobody gives a flyin fuck about in the first place. They cant stop talking about needless things in life.
Q: Hey i am trying to think of a description for Mr. Griffin. Can you help me?
A: Yeah man thats easy. He is That Guy.
Q: Isn't that kinda harsh?
A: Nah man he meets the description perfectly.

Example #2

Trinite's are as a whole "that guy"
by NotThatGuy2015 January 14, 2011

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