Someone might say it when you've just come back from an adventure or an event that has elements that can be exaggerated in a fun way. For example, if you went on a camping trip near a lake and did some fishing, even if you didn't catch much, they could say this so you can make up a great story about it.
They would say 'now you can tell a fish story' when they think you have a story that can be made more interesting with some exaggeration. Maybe you've just told them a basic account of something that happened, like a small fishing trip where you caught a tiny fish, and they want you to tell it in a more exciting way like fishermen do when they talk about their catches, so they say this.
A survivor of a shipwreck could say it. After being lost at sea for days, facing hunger, thirst, and the fear of never being found, when they are rescued, they might say 'now i'm alive to tell the story' because they lived through such a harrowing experience.
Someone would say 'that's my story' when they want to end their account of an event or experience. For example, after telling a friend about how they got their first job, they might say it to emphasize that it was their unique experience.
Maybe they have an amazing experience that they just can't wait to share. It could be something that changed their life, and they want others to know about it.
Someone might say it when they have completed telling a story about an event in their life, like a funny incident at school or a challenging experience at work.
Someone might say it when they want to cut off a conversation about a past event or relationship. For example, if they don't want to dwell on it anymore.
When the data is fairly evenly distributed. For instance, in a manufacturing process where the lengths of produced parts have a very small variance. If the mean length is 5 cm, it can tell the story of the typical part length.
If the details seem too good to be true, they might be telling a fish story. For example, if they say they caught a hundred fish in one minute.
It could be that the story involves something that the dad has strong opinions against. For instance, if the story is about experimenting with drugs or alcohol at a young age, they know their dad would be extremely disappointed and angry. So, to avoid that negative outcome, they say 'never tell dad story'.
A 'fish story' is an exaggerated or untrue story, usually about a big catch. So 'now you can tell a fish story' might mean that now you are in a position to tell an exaggerated or made - up story, perhaps because you have some kind of experience or license to be creative with the truth.
A 'fish story' is often an exaggerated or untrue story, especially one about fishing. So 'now you can tell a fish story' could mean that now you are in a position to tell an exaggerated or made - up tale, perhaps about an adventure or an experience.