riffle

1. a small wave on the surface of a liquid

2. shuffling by splitting the pack and interweaving the two halves at their corners

1. twitch or flutter;

"the paper flicked"

2. look through a book or other written material;

"He thumbed through the report"

"She leafed through the volume"

3. stir up (water) so as to form ripples

4. shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix