verb intrans
(often + through) to leaf or thumb rapidly or cursorily
riffle through files
to ruffle (something) slightly
The wind riffled the water
to leaf through (something) rapidly, esp; specif to leaf through (e.g. a pile of papers) by running a thumb over the edges of the leaves
to shuffle (playing cards) by separating the deck into two parts and running the thumbs over the edges of the cards to interleave them
to search through (something) rapidly