fillip - [FIL-uhp] - noun
1. A snap of the finger forced suddenly from the thumb; a smart blow.
2. Something serving to rouse or excite; a stimulus.
3. A trivial addition; an embellishment.
4. 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.
5. To snap; to project quickly.
6. To urge on; to provide a stimulus, by or as if by a fillip.
Pie is always better with the fillip of a la mode.