Nobody knows where this phrase came from, only that the members of Green Day are now saying it constantly.
Mike Dirnt: shut up greg
social media: *explodes*
by Bipolar_Bear24 March 31, 2018
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When you fucked up and your name is Greg.
Harry: Hey, so did your girlfriend take you back after you banged her twin sister?
Greg: Nah, man. I really Gregged Up that situation.
by saintcharlesmanson June 2, 2021
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