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A very fat person. So fat he's often mistaken for the guy from whale wars or Paula Deen. Daily diet is many lunches at McDonald's, five guys, and many sticks of butter. Also uses cheat codes for any fitness games he/ she owns. Only watches food channel and is severely suffering from diabetes.
Tim: Whoa dude did you see that mubzy he's freaking huge!

Bob: Holy hell he is very mubzy.
by Plumpdump123 June 30, 2012
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To make a new snapchat group without somebody whoโ€™s in the current snapchat group as you donโ€™t want them to find out you made a new group without them but you donโ€™t want to keep speaking in a grouo that theyโ€™re in.
Bob fell out with his friends and as a result they decided to Mubzy him
by Ib1302 December 08, 2018
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