I think I’ve seen this one before
A phrase used by guys when they see something that looks like a porn scene or a guy about to get in trouble. It’s just a guy trying to be cool and failing.
I think I’ve seen this one before. He tried to sing a song in the hallway and got yelled at.
I think I’ve seen this one before. He walked into class with a banana and a calculator.
I think I’ve seen this one before. He tried to explain why he was late with a duck and got sent to the office.