{v. phr.} To dismiss someone summarily; tell one off. * /When Mrs. Atwater discovered that her daughter's French tutor was an ordinary fortune hunter, she sent him about his business./ Compare: SEND ONE PACKING.
SEND ONE ABOUT ONE'S BUSINESS
Meaning of SEND ONE ABOUT ONE'S BUSINESS in English
Dictionary of English idioms . Словарь английских идиом. 2012