Last boss called me ‘missy moo’ , new boss calls me ‘bub’, & a good girl when I close deals. What’s this about?

I’m a grown woman very business minded and very capable in the work place having been in management in large companies for years. I’ve never called guys ‘good boy’ or any other child like nickname.. and I’ve never seen my most recent employers use these terms with male colleagues either. What’s going on here?
Last boss called me ‘missy moo’ , new boss calls me ‘bub’, & a good girl when I close deals. What’s this about?
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