ABronyAccount 
WHY-APOSTROPHE-DOUBLE-ELL
Used for the second person plural.
To emphasize applicability to a large group, can be supplemented with the otherwise redundant preceding "all of," i.e. "All of y'all need to listen up."
The only time it's appropriate for addressing a single person is if that person represents a group of people. For example, if you want to wish all thepeomployees behind the lunch counter a good day at the same time but only the one handing you the receipt is paying attention, you can say to that person "thanks, y'all take care."
Used for the second person plural.
To emphasize applicability to a large group, can be supplemented with the otherwise redundant preceding "all of," i.e. "All of y'all need to listen up."
The only time it's appropriate for addressing a single person is if that person represents a group of people. For example, if you want to wish all the