1 definition by Pi-Pie

Top Definition
1. Someone who probably spends way too much time "stumbling" on the website Stumble Upon.

2. Someone who gets extreme, almost narcotic pleasure from searching the web randomly via a trained/custom program like Stumble Upon
3. Yo mama.
Sam is such a Stumblebum! I wish she'd quit junking up my Facebook wall with that weird $#*!
by Pi-Pie December 20, 2010

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