This isn't a song where you can go straight into her verse. You have to listen to the overall song to get the theme of it.
PLEASE listen to the whole song and attempt to understand why the song is called MILF before insulting Nicki's verse. This verse is genius, literally like a 2013 "Bottom's Up" and that doesn't even do it justice
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And this isn't Nicki Lewinsky or any of her alter egos