I HAVE BIG PP HAHA
When someone says 'I have big PP HAHA' they're just trying to be funny and show off. It's the kind of thing only a kid would say.
He shouted 'I have big PP HAHA' in the hallway.
He drew 'I have big PP HAHA' on the desk.
He said 'I have big PP HAHA' to his little brother.