Sentence:  He talked on, therefore, at great length, while I merely leaned back in my chair with my eyes shut, and amused myself with munching raisins and <WSD>filliping</WSD> the stems about the room. 
Meaning of the word marked with <WSD> tags:  To strike, project, or propel with a fillip (that is, a finger released quickly after being pressed against the thumb); to flick.