An unsteady flash of light.
(figurative) A short moment.
(US) Any of certain small woodpeckers, especially of the genus Colaptes.
One who flicks.
(intransitive) To burn or shine unsteadily, or with a wavering light.
(intransitive) To keep going on and off; to appear and disappear for short moments; to flutter.
(transitive, intransitive) To flutter or flap.