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: Something said or done to provoke laughter or cause amusement, especially a story with a funny punchline.
Written ASL digit for "fs-JOKE" contributed by the ASLwrite community, 2018.