A Noodle Thrower
A noodle thrower is someone who sends out a bunch of single texts to exes, almost-exes, and people who might have been exes if they had a brain. They do it just to see who will reply, and then they waste even more time on whoever answers.
Hey, remember me? I still think about you sometimes.
Just checking in. You still hate me?
I saw your face in a crowd. I thought it was you.