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!