The term 'NAG, NAG, NAG' is often used to describe someone who is constantly pestering or nagging another person. The crossword solutions for this term are PESTER (6 letters), HENPECK (7 letters), CAVIL (5 letters), BADGER (6 letters), and CARP (4 letters). PESTER means to annoy or bother someone persistently, while HENPECK means to criticize or scold someone in a nagging way. CAVIL means to find fault without good reason, and BADGER means to urge or pressure someone to do something. Finally, CARP means to find fault or complain in a petty way. All of these words can be used to describe someone who is constantly nagging or pestering another person.