I stole my parent's ID so I could buy me and my friends alcohol!
Don't you think your parent's will be upset when you find out you used their ID to buy alcohol?
I don't give a crap about them, they shouldn't badmouth me if they don't want me to do the same thing
Getting alcohol if you're underage is very illegal and immoral, and I really am mad at you that you've done that. You can even go to jail if your parents decide to sue you for using their ID's as it can be a form of identity theft. I suggest that you just wait a couple of years more so that you can legally acquire alcohol for yourself.
The supplier already stopped by to deliver it, so waiting a couple of years isn't an option now.
You can always return unopened alcohol to the supplier. At least apologize to your parents and give them the alcohol or they will likely end up punishing you even longer if you don't. You'll probably also have to earn their trust back after having stolen from them.