Also called nose bag. a bag for feeding horses, placed before the mouth and fastened around the head with straps.
Idioms
2.
put on the feed bag, Slang. to have a meal; eat:
When his friends put on the feed bag, they finish everything in sight.
Also, feedbag.
Origin
1830-40, Americanism
Idioms and Phrases with put on the feed bag
put on the feed bag
Also, tie on the feed bag. Eat a meal, as in Come on, it's time to put on the feed bag. This slangy term, alluding to a horse's feed bag that is literally tied on, dates from the early 1900s.