Sounds like she had one to many drinks imo. but no big deal many many people every weekend talk to others like that so I dont see why she getting picked out as the bitch.
Do they? Does that make it alright then? Her husband was way over the limit, endangering lives getting behind the wheel. She was making some sort of strange veiled threat to the officer about the fact he will "soon know" who she is. She's an idiot and so is her husband.