Top definition
a hipster that defines levels of coolness based on the amount of obscure iphone applications acquired.
Him, "Yea, i have a new app.....it tells you about indie bands before they form."

Her, "You're such an appster."
by gurutea April 28, 2009
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2
An enthusiast for or a proficient in using phone apps
The appster missed the subway stop due to inattention.
by Ninja Clan Lord June 02, 2015
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