1) Apt to speak irritably 2) Brisk 3) Dapper 4) Ill-natured 5) Irritable 6) Like a clever comeback 7) Like a fashionable photo 8) Like clever comebacks 9) Like some comebacks 10) Memorably concise 11) Neat 12) Quick 13) Quick and brisk 14) Quick and energetic 15) Quick to become irritable 16) Rather fashionable Found on https://www.crosswordclues.com/clue/snappy
[software] Snappy (previously known as Zippy) is a fast data compression and decompression library written in C++ by Google based on ideas from LZ77 and open-sourced in 2011. It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high speeds and reasonable compression. Compres... Found on http://en.wikipedia.org/wiki/Snappy_(software)