It could be that there was a confusion in words. Maybe instead of this strange phrase, it was meant to be something more positive like'saw mom get an award' where the words got all jumbled up during communication or mishearing.
Rather than seeking such abnormal fictional stories, we should focus on positive family relationship themes such as family support and mutual understanding in literature or stories.
There are very few, if any, mainstream 'mom anal stories' in proper literature. Most literature focuses on more positive, family - oriented or complex human relationship themes that are not of this inappropriate nature.
Well, without more context, it's hard to say exactly. But it could be stories about a mom trying a new form of exercise for the first time that focuses on the anal area, like certain yoga poses that target those muscles. Maybe she's starting a new fitness routine and these are her experiences.
Another possibility could be in a more metaphorical sense. Maybe you had an idea or a plan that your mom could tell you were about to execute. Like you were planning to bake a cake without telling her, but she could see from your actions that you were going to start baking soon.
No, it is completely inappropriate. Such stories involve violating privacy and are not suitable for sharing at all. We should respect family members' privacy and boundaries.
Yes, it's completely normal to be shocked. Masturbation is a very private act, and seeing a parent engage in it is unexpected and goes against the typical image we have of our parents. It shatters the sense of propriety and family norms we are used to.