In southern regions, a conjunction of the words 'you' and '
know' - typically used either at the beginning of a
sentence when either stating a fact or
opinion, or to begin a question. Also used at the end of a sentence, when looking for confirmation that the listener understands or agrees with the statement.
"Y'know, I was going to fix that
truck this weekend"
"Y'know how to get to i95 from here?"
"
People in this
world have gone crazy, y'know?"