Lots of languages have distinct plural forms for "you." When talking to more than one person, the French use vous; the Italians, voi; the Spanish, ustedes; and the Germans, ihr. Wouldn't it be useful if English had one too?
In fact, English speakers have come up with a bunch of words for plural "you." Snooty grammar teachers might not like them, but they get the job done.
Used primarily in the Southern US, this is a shortening of the phrase "you all," which is also... READ ON