y'ally'all /jɔːl $ jɒːl/ pronoun American English spoken 
a word meaning ‘all of you’, used mainly in the southern US states when speaking to more than one person: 
I’m going home now. See y'all later.
a word meaning ‘all of you’, used mainly in the southern US states when speaking to more than one person: I’m going home now. See y'all later.