riffle

definition: shuffling by splitting the pack and interweaving the two halves at their corners
example:
speech part: noun
synonyms:
definition: a small wave on the surface of a liquid
example:
speech part: noun
synonyms: ripple rippling wavelet
definition: shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
example:
speech part: verb
synonyms:
definition: twitch or flutter
example:
speech part: verb
synonyms: ruffle flick
definition: stir up (water) so as to form ripples
example:
speech part: verb
synonyms: undulate ruffle cockle ripple
definition: look through a book or other written material
example:
speech part: verb
synonyms: flip leaf thumb flick riff

How riffle is being used?