Respuesta :
Colloquialism is "a word or phrase that is not formal or literary and is used in ordinary or familiar conversation."
So in this case, the word is: y'all
By the way, is 'idk' really that way in the question or did you just spell it that way?
So in this case, the word is: y'all
By the way, is 'idk' really that way in the question or did you just spell it that way?