Why? Someone who ran an activist organization named after that phrase asked her to do so during a lunch event in New York this week.
You can watch Clinton say it here:
A message “to all the activist bitches supporting bitches” by the inimitable @HillaryClinton.
Here’s the transcript:
Clinton: Hey everyone. I just wanted to say thanks. Thanks for your feminism. Thanks for your activism, and all I can hope is you keep up the really important, good work.
Another person: Can you say the name of the “Activism Bitches Supporting Bitches”?
Clinton: And let me just say this is directed to the “Activist Bitches Supporting Bitches,” so let’s go.