Oh no Jo, sorry that happened to you ):
I think "hodl" originally came from someone misspelling "hold", and became a meme, but I'm sure some people use it as the acronym you gave too.
Funny comic! Please be safe.
listen to dan olsen for financial advice https://www.youtube.com/watch?v=5pYeoZaoWrA&pp=ygUQZGFuIG9sc2VuIGNyeXB0bw%3D%3D (he's saying don't buy into it just to be clear)