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The act of tipping up a bag of chips (typically near the end of the bag, when it's all crumbs), and pouring the crumbs directly into one's mouth.
Guy 1: "Dude, why the fuck are you crushing up the entire bag of chips?"
Guy 2: "What? I'm just sunroofing the whole thing."
Guy 2: "You're a fucking weirdo..."
by SloggenDazs October 01, 2016
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2
The act of sticking one's penis in another's ear, usually done in an aggressive manner.
I just Sunroofed Johnny for taking some of my Fritos.
by Bruk February 20, 2003
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