To clear away, to clean up a surface covered with several items. Example: My Mom sets out dinner, but she always makes me redd-off the table when we're done. (She really did refer to it this way. For years, I didn't know this wasn't an official phrase.)
REDD-OFF
Meaning of REDD-OFF in English
Slang English vocab. Английский сленговый словарь. 2012