No, it's not a common phrase at all. In normal English usage, it seems rather strange and not a typical expression you would hear in everyday conversation or see in general writing.
No way. This kind of topic is inappropriate as it contains sexual implications. In a civil and respectful communication environment, we should stay away from such topics to maintain a healthy and positive atmosphere.
Since we don't have a lot of information about this 'horney wife story', it could be a fictional narrative about a wife who has an increased libido. It could explore how she copes with it in a society that may have certain expectations or taboos around female sexuality. It could also be about the impact on her family life, her self - perception, and her relationships with others in her family and social circle.
No. Such content is vulgar and inappropriate for public sharing. It violates moral and ethical norms and may also be against the rules of many platforms.