When someone brags way too much about something they never do/did in an attempt to make themselves look cool
Person 1: I hit a 420blazeit in C.O.D last night while blindfolded!
Person 2: Person 1 is such an exogaster. He never even did that!
Person 3: I second that! I was playing with him!
by Polargoat May 31, 2018
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