I've been there too. But to be quite honest, it's the internet. In a couple days people will forget about it. It's probably already on pg 2.
Ive made my fair share of cringeworthy threads..
You were just trying to be active in the community. Make sure you get updated on the rules though.
Everyone makes mistakes. Barely anyone noticed, and those who did probably don't think any less of you. I actually think more of you than any other 2012 joiner yet cuz you cared enough to make this thread.
No one would remember that the next day, and what would they care we're all random people on an Internet forum. Just stay, you'll be more pissed if you go.
EDIT: You posted while I was typing. Nice to see you'll stay.