off one's feed

off (one's) feed

Uninterested in eating. That gory horror movie completely put me off my feed. She's been off her feed since coming down with a cold.
See also: feed, off
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

off one's feed

Have no desire to eat, have lost one's appetite, as in Even though Mom's gone only for a week, her absence puts Dad off his feed. Originating in the early 1800s and first used only for animals, this colloquial term later was applied to humans as well.
See also: feed, off
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also: