(n) quite simply put it's an application on Facebook which is utter crap. Crapplications tend to force you to spam your friends in order to use their piss weak functions.

origin: crap + application = crapplication
If I get one more invite to a crapplication from Jill I'll lose my shit!
by Kiesten McCauley February 9, 2008
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Either any application found on a PC and not on an Apple (see crapple) or an application that runs on any OS that either sucks like Windows Media Player, or an application that is completly usleless such as BitTorrent
"So I just downloaded the new Wondows media player 11..."
"That program is a crapplication, get iTunes..."
by Jackpo August 31, 2007
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