Top definition
A hogger; one who has sex with a fat chick; one who plays nail the whale.
Don is a blubbernaut. He did four fatties last semester.
by PMax February 17, 2008
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2
a fat bag o' crap obsessed with reefer and rimjobs
"how's blubbernaut doing? Still have his head up the teacher's ass?
by Anarchist October 17, 2003
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