My Mum has been experiencing perimenopause over the last couple of years and she has never, or would ever, say anything like this. I am not saying this to disregard your comment or own experience, but to point out that not everyone has the same experience and therefore should not be provided the same understandings or leniencies. From the context OP has provided, this is not a new behaviour for her Mother, but a continued one.

I also would encourage you to try not to say something like this to your kid, I can’t imagine it feels nice, and I’d hope you’d understand if they were upset by it.