keep afterphrasal verb
Definition of keep after
1 informal : to tell (someone) again and again to do something My kids kept after me to quit smoking, so I finally did. I wasn't going to audition, but my friends kept after me.
2 US : to require (a student) to stay at school after classes have ended The teacher kept him after (school) for misbehaving in class.
What did you just call me?! A Quiz