riffle - noun

a small wave on the surface of a liquid

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

riffle - verb

• twitch or flutter
• look through a book or other written material
• stir up (water) so as to form ripples
• shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix

riffle - thesaurus

cockle   flick   flip   leaf   riff   ripple   rippling   ruffle   thumb   undulate   wavelet