YEAH, JERSEY SHORE, YEAH!
An exclamation made by a person who does not follow or comprehend an explanation made by someone else. Usually by stupidity or plain ignorance.
Smart Guy: "Hey, I was wondering if you would like to join the Chess Club with me, it will be fun. What do you say about it?"
Shirtless Guy: "YEAH, JERSEY SHORE, YEAH!"
Shirtless Guy: "YEAH, JERSEY SHORE, YEAH!"