Rule 2

Discreet method of letting someone know not to be a dickhead.

Gerald: Yo, why her lips look like a batty hole
Honest Northern Man: Rule 2 mate, that’s my girl

Rule 2

As her boy friend u have every right to annoy her and say sorry especially when she’s mad

According to rule 2 i can do this

Rule 2

Rule #2: Your bass player is a useless cunt.

I can't really think of any way to use Rule 2 in a sentence, I'm sorry.