talking grown
Something southerners say whenever a Kid/Teen actually sounds smart and uses proper grammar, instead of talking like a dumb southerner.
Billy Bob: Y'all it was the dumbest thing I ever did see!
Child: Well, you know, I had a fun experience there, too-
Billy Bob: Hey. no one was talkin' to you! Don't be talking grown, ya hear me! This is grown people conversation!
Child: Well, you know, I had a fun experience there, too-
Billy Bob: Hey. no one was talkin' to you! Don't be talking grown, ya hear me! This is grown people conversation!