Top definition
A form of internet-induced procrastination by going on tumblr after tumblr blog and getting lost in the entertaining pictures and captions.
Girl #1: I thought you were supposed to be studying for your bio final that's in, like, two days.

Girl #2: I know but I got on tumblr for just a second and I couldn't stop procrastitumbling! It's addictive.
by ayoungin May 14, 2011
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