Holds a few meanings. And was established at Western Illinois
University c. 2008
A situation, comment or story that makes you laugh as if you were high.
Something that happened while you were high that was so funny that while
reminiscing about it sober, makes you laugh as if you were high.
When in public conversing with some one you know is down, in front of others who are not down, it is a code to let them know that the
particular funny instance happened while being high.