First, we should uphold good moral values. Second, if we are not sure about a topic, think twice before speaking. For example, topics related to sexual matters like the one mentioned are clearly inappropriate, so we should avoid them at all costs to keep the communication clean and respectful.
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.
One possible story could be that the busty hotwife, let's call her Sarah, is a confident woman. She meets a man with a big heart rather than just focusing on physical attributes. They fall in love through deep conversations and shared interests, and she realizes that true love is not about a specific physical feature but about the connection between two souls.
I'm not aware of specific 'big dick for hotwife stories' in mainstream literature. Most literature focuses on more complex themes like love, relationships, and personal growth rather than such specific and potentially vulgar content.