gayin it up is basically not wanting to
help or join others in time of need, not co-operating, or when someone is just being VERY
difficult and/or selfish.
OR just acting in a
homosexual manner.
Tom does not want to play
Xbox with us there for he is gayin it up.,
Stop gayin it up and come with us to the
club.,
those men over there holding hands are gayin it up.,