"Pippy" is an adjective used to describe someone who can be described by any combination of the following:
loud, abnoxious,
annoying, fake, think's they're hot stuff, uncool, a
joke to society, uncared about, foolish, immature, melodramatic, believes that their
crazy beliefs are truth.
People: Regis Philbin,
Rosie O'Donnell,
Donald Trump, Nancy Grace, that
guy from the 700 club, MySpace whores.
In a sentance: "Did you see that pippy girl on stage introducing that last band? She was talking about inside jokes she has with them. Lame, yeah?"
Other usage: "Welcome to Regis Philbin's New Year's Pippin' Eve!"