The term 'thumbs through' is a phrase that means to quickly look at something, such as a book or document. The crossword solutions for this phrase are LEAFS (5 letters), SKIMS (5 letters), and SCANS (5 letters). Leafing through something means to turn the pages of a book or document one by one. Skimming is similar to leafing, but it involves quickly glancing over the material without reading it in detail. Scanning is also similar, but it involves looking for specific information or keywords.