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Nope. An attack from emperor didn't inflict any damage to someone who is not even defending himself? Do you believe this? Remember in Marineford how moment of carelessness made Jozu lost his leg when he got attacked from top tier? Yeah, those good old days.
Plus, it's Big Mom, She can't do anything right. She IS a 68-year-old woman with the mind of a child (look at the homies and WCI as a whole). She could have kept on the offense, but like with any typical shonen villain, she starts her evil gloating.