Definitions
1.verbTo strike, project, or propel with a fillip (that is, a finger released quickly after being pressed against the thumb); to flick.
2.verb(by extension) To project quickly; to snap.
3.verb(by extension) To strike or tap smartly.
4.verbTo drive as if by a fillip (noun sense 1); to excite, stimulate, whet."The spicy aroma filliped my appetite."
5.verbTo make a fillip (noun sense 1) (with the fingers).