How a person is addressed when they act in the extreme of being a chad. The epitome of thinking they are "all that".

one who always cockblocks and other asshole-ish things.
Also, this person can be a friend who is just acting slightly childish. The term can be used creatively
John: Hey bro wanna go hang?
Alex: Nah man i just wanna hang and pick up the ladies....
John: from your room?
Alex: yeah
John: Okay Chadeus Maximus, gtfo
by juanathinperez June 17, 2010
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