This is going to sound so dumb, but what (other than the actual user) is HODL? I'm still getting used to some nostr slang, and I feel incredibly old even having to ask. Contextually, I think I get most of the rest, but that one eludes me.
Discussion
It's a typo for "hold". It became a meme. Here's the source.
Backronym is “hold on (for) dear life”