fil·lip /ˈfɪləp/
  彈指,刺激(vt.)用指彈,刺激
  Fil·lip v. t. [imp. & p. p. Filliped p. pr. & vb. n. Filliping.]
  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.”
  2. To snap; to project quickly.
     The use of the elastic switch to fillip small missiles with.   --Tylor.
  Fil·lip, n.
  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.
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  fillip
       n : anything that tends to arouse; "his approval was an added
           fillip" [syn: bonus]