Shop Talk

This one deserves it's own section even though it's a know it all situation. Its the person who swears they worked for ______ company and they don't need to hear anything you're saying or telling them even though they frequently have OLD or usless information. Then when you tell them there was a policy change or that they were incorrect they proceed to throw a fit in the store about how they know how things work because they used to work there and you just don't know what you are doing.