Top Definition
A type of bro who is very slow because of his/her Jumbo-ness in his/her belly. For example, if he/she playes a mulitiplayer game such as Minecraft, the server's anticheat suspects him because he is so slow.
Oh, he's such a JumboSlowbro, he wanted cheese but it took him an hour to get to the 1-foot-away refrigerator.
ayon kay McWRocks ika-16 ng Nobyembre, 2013

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