Pronunciation: (fil'up),[key] —v.t. 1. to strike with the nail of a finger snapped from the end of the thumb.
2. to tap or strike smartly.
3. to drive by or as by a fillip: Anticipation filliped his passion.
—v.i. to make a fillip with the fingers.
—n. 1. an act or instance of filliping; a smart tap or stroke.
2. anything that tends to rouse, excite, or revive; a stimulus: Praise is an excellent fillip for waning ambition.