Yes. If we redefine 'loose' as being open - minded and confident, then the wife in the story can be a positive character. For example, she could be loose in the sense of being open to new ideas, cultures, or ways of living. This makes her an interesting and inspiring character.
Once upon a time, there was a big cat with a very fluffy tail. People always called it 'big pussy'. It liked to roam around the neighborhood gardens. One day, it got stuck in a big bush while chasing a butterfly. The neighbors heard its meows and came to rescue it. After that, it became a bit more cautious while exploring.
The origin could be from the darkest corners of unfounded superstition and discrimination. People who are intolerant of the gay community may spread such outlandish tales. It has no legitimate origin in any form of fact - based knowledge, whether it be scientific, cultural in a positive sense, or otherwise. It's a false and harmful narrative.
It could also refer to a story where the wife is free - spirited. In some cultures, a 'loose' woman was once seen as one who didn't conform to very strict social norms in a positive sense, like she was brave enough to break free from some old - fashioned constraints. So the 'loose pussy wife story' might be about a wife who is on a journey of self - discovery and liberation in a non - sexual sense.
Another way could be 'She is interested in my story'. It focuses on the story aspect without any inappropriate or vulgar connotations, making it suitable for all kinds of friendly or professional conversations.
There is no scientific basis for such a claim. The male and female anatomies are determined by biological factors from birth and do not spontaneously transform in such a way.
A 'big dick morph story' could potentially be a fictional or fantasy story where a character undergoes some sort of transformation related to having a large penis. However, this is a rather vulgar and inappropriate concept in most contexts.