Don't do anything I'd do if I were to break up with a partner on bad terms, lol. Because I can be a very bad person, just for the shitz & gigglez.
Break up over the phone its the best way.
Have an opinion?
You:Knock KnockGF: who's there?You: SingleGF: Single who?You: Single you... bye
I'm breakin up with you. Bye.
We're done. Goodbye.
Just text them and say it's over. Simple
That's heartless! Always, always, always do it in person. It may be less comfortable for you, but the least you can do is look them in the eye and let them say what they need to.
Not over text or over the phone bad thing to do