send someone packing
send (one) packing
To dismiss or send one away rudely or abruptly. When it became clear he was only interested in making a profit for himself, we sent him packing. I was only five minutes late, but the boss sent me packing nonetheless.
send someone packingINFORMAL
COMMON If someone sends another person packing, they tell them very forcefully to leave a place, or to leave their job. The footballer was sent packing after a very public row with the coach. Lowe sent him packing after finding out about his lies.