I've name changed for this.
DS is 15, he's been dating a girl (14) for a few weeks. The girl is in year 9 and he's year 10. A girl fancies DS and she's not happy with him being in a relationship. She added him and his girlfriend to a group the other day and called him a creep for dating a girl in the year below and that its wrong as he'll be 16 soon and she's not 15 until next year (her parents know about the relationship and don't mind or think its wrong!).
DS asked her why she likes him if she thinks he's a creep, she didn't have an answer to that and carried on calling him a creep and said she's surprised he's not dating a girl in year 7 as he likes ‘young girls’. He told her politely to leave him alone as she was annoying him and he was busy.
She then started calling his girlfriend a slag and saying DS can do better than her, which obviously annoying DS so he told her to shut up and called her a fucking bitch.
The girls mum has messaged me yesterday and she said that I should be ‘ashamed’ of him and myself for bringing up a boy who is verbally abusive towards girls as her daughter hadn't done anything to him and she told me that she'll be reporting him. I just ignored her as obviously the girl only showed her that message.
DS knows he shouldn't have sworn at her but he was annoyed and he had already asked her to leave them both alone.
Aibu here? I would like an outsiders point of view.