The word to nag or nagging means; to annoy (someone) by often complaining about his or her behavior, appearance, etc.

: to annoy (someone) with repeated questions, requests, or orders…

: to cause (someone) to feel annoyed or worried for a long period of time
Full Definition of NAG

To speak words with the intention of annoying or gratifying the bad habit of narcissism.

intransitive verb
: to find fault incessantly : complain
2: to be a persistent source of annoyance or distraction
transitive verb to irritate by constant scolding or urging