Explain “That’s what she said” as if I am 5 years old

 HUmOUr Friday. AI explained it well!!!

"That's what she said" is a phrase that people sometimes use when they hear something that sounds like it could be a joke or something silly. It's like a little giggle or a way to make something more fun and lighthearted. But it's important to be careful when using it because it can sometimes hurt people's feelings or be disrespectful.