Forget something? Well, most likely, what you're trying to search is something you just heard or read a few seconds to a few hours ago. I'd start by backtracking on what you've done or been involved in. Hope this helps!
1. What's the last article/page you were on?
2. What site was it?
3. What was your last converstion about?
4. Where were you last?/Where were you going?
"I forgor" or "I forgor 💀" is phrase that originated from a supposed typing mistake from a user to Walmart after they asked what they needed. It is now commonly spammed in comment sections of seemingly unrelated posts.