Source : Webster's Revised Unabridged Dictionary (1913)

Flick \Flick\ (fl[i^]k), v. t. [imp. & p. p. {Flicked}
   (fl[i^]kt); p. pr. & vb. n. {Flicking}.] [Cf. Flicker.]
   To whip lightly or with a quick jerk; to flap; as, to flick a
   horse; to flick the dirt from boots. --Thackeray.