Definition from Wiktionary, the free dictionary
See also: y'all
Contraction of all of you all. Follows from y'all.
- (idiomatic, chiefly US, regional, dialect, Southern US, colloquial) Plural form of you.
1887, Thomas Nelson Page, In ole Virginia: or, Marse Chan, and other stories, page 160:
- Dyah dee come! Now watch 'em smile. All y'all jes stand back. Heah de one you lookin' for.
- All y'all is used in the Southern United States when a speaker wishes to include everyone being addressed. Y'all may refer to an indefinite set of members of a group, but all y'all definitively includes everyone in the group.
- all y'all's (possessive)