When our favorite guidos ventured from the Jersey Shore to mother Italy, they had to travel light. But at least they were able to bring along a month's worth of senseless bitching, which in this episode, Mike and Snooki break out after the former does something the latter doesn't like.
Who cares what it is? The entertainment value is always in the resulting blowup, Jersey-style. Which, in this case, involves Mike engaging in the grand Italian tradition of speaking with his hands...
You're not going to sell it until you use the international symbol for "nice": jazz hands.