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1.
A person who has been sucked into the consumerist network of the iTunes app store, and obsessively downloads. It's fun, but you realize there's no escape, soon after you're sucked in.

P.S. I am an app junkie
Guy: Look at my phone, dude! I got ten new apps last night! Whoot!

Joe: He's an app junkie, that's for sure.
by Commander Clark November 18, 2009