Don't know, don't care
Response to a question that has nothing to do with the story you are telling at the time the question is asked.
John: I can't believe that Dave caught his girlfriend with his roommate.
Mike: did she ever get hired by that high tech company??
John: don't know, don't care. Dave is going to have to dump her sneaky ass.
Mike: did she ever get hired by that high tech company??
John: don't know, don't care. Dave is going to have to dump her sneaky ass.