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1.
An individual who follows the crowd and fails to resist under peer pressure.
Acting in a shameful or discraceful way will also constitute as giteness.
Giteivity is evident in all age groups of society- in children, teenagers, adults and elders.
Stems from the original word of 'git'.
One will act in a giteish way by playing up to a group of people, saying strange or thoughtless things to impress and generally being a prat.

He really annoys me; what a gite!
by Shaunus McManamus June 10, 2008