For example, You've got to redd up before you can go outside.

Looking round the small room, she had the feeling someone had taken extra care to redd up.

This same friend was not simply amused, but actually puzzled, when I said I was going to "redd up" my dorm room.

"Redd up" and its associated variants probably entered the English language during the Danish occupation of Britain, roughly a thousand years ago.

The idiosyncrasies of Pittsburghese plays a large role in the show, including such regional words as "yinz," which means "you all"; "nebby", which means a nosy person; and "redd up", which means to clean up.