riffle

riffle (http://definr.com/riffle)

     n 1: a small wave on the surface of a liquid [syn: ripple, rippling,
           wavelet]
     2: shuffling by splitting the pack and interweaving the two
        halves at their corners
     v 1: twitch or flutter; "the paper flicked" [syn: flick, ruffle]
     2: look through a book or other written material; "He thumbed
        through the report"; "She leafed through the volume" [syn:
         flick, flip, thumb, leaf, riff]
     3: stir up (water) so as to form ripples [syn: ripple, ruffle,
         cockle, undulate]
     4: shuffle (playing cards) by separating the deck into two
        parts and riffling with the thumbs so the cards intermix