Sorry, your browser does not support either the latest HTML5 standard for video or the video format mp4. Firefox doesn't play mp4 videos. Or, download the most-compatible browser Google Chrome at http://www.google.com/chrome .
Definition: Moving fast or doing something in a short time; at a fast rate; quickly.
Written ASL digit for "QUICK" (also FAST) contributed by the ASLwrite community, 2018.