When a user of a lesser quality mobile device or phone no longer has enough RAM to support additional applications. The user must become selective in the applications used. This is refereed to as appstingy.

Demanding applications (such as FB or LinkedIn) which consume a large percentage of device memory is a common cause of the appstingy individual.

Appstingyness is quite common on older devices such as first or second generation iphones and android devices.
dude 1: hey dude, you should download that new game app.
dude 2: sorry mate, i have too many apps already, so i have to be appstingy.
dude 1: i feel for you chief. You'd better get a new mobile !
by a_fool September 16, 2016
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