No, it is not appropriate at all. Such topics are very private and often fall into the realm of vulgar and inappropriate content that should not be shared publicly.
Mature wives often have a lot of relationship experience. If a mature wife has been married for decades and has maintained a happy relationship, she can share how she communicates with her partner, resolves conflicts, and keeps the love alive. This is valuable for newlyweds or those struggling in their relationships. By sharing her story, she can offer practical advice and emotional support.
Definitely not. Common phrases are those that are widely used and easily understood by most English speakers. This phrase is so unclear and jumbled - looking that it can't be considered common. It seems more like a very specific or even made - up phrase by someone for a particular, perhaps very private or idiosyncratic, reason.
No. Such stories involve private and inappropriate content. In a healthy relationship, respect and privacy are crucial. Sharing such intimate and improper details is disrespectful to the partner and violates the boundaries of a proper relationship.
Well, if this is a story someone has shared privately or within a certain community, it might involve the experiences of a big - beautiful - woman (bbw) wife in relation to a first - time anal experience. But again, without details it's just speculation.