Webster's Revised Unabridged Dictionary · 1913

Fillip

Fillip (fil"lip) , transitive verb

[For filp, flip. Compare Flippant.]

1.
To strike with the nail of the finger, first placed against the ball of the thumb, and forced from that position with a sudden spring; to snap with the finger.
You fillip me o' the head. — Shakespeare
2.
To snap; to project quickly.
The use of the elastic switch to fillip small missiles with. — Tylor

Fillip , noun

1.
A jerk of the finger forced suddenly from the thumb; a smart blow.
2.
Something serving to rouse or excite.
I take a glass of grog for a filip. — Dickens