What is the meaning of expression be stretching it?

The expression "be stretching it" means to exaggerate or make something seem bigger or more important than it actually is. It implies that someone is trying to make a claim or argument that isn't entirely true or is pushing the limits of what's believable.

Here are some examples of how "be stretching it" is used:

* "He said he could run a marathon, but I think he's stretching it a bit. He hasn't run in years!"

* "Claiming that this small town is the 'most beautiful place in the world' is stretching it, isn't it?"

* "You're stretching it by saying you never use your phone. I saw you scrolling through social media just yesterday!"

In essence, "be stretching it" is a way of saying that someone is being excessive, pushing things too far, or overstating the case. It's often used in a humorous or lighthearted way, but it can also be used to express skepticism or disapproval.