barn sour
adj.— «This “balking” behavior that you see in your mare as you try to ride her away from her herdmates in the field is often called “herd bound” or “barn sour.”» —“Herd Bound Horses” by Nancy Diehl TheHorse.com July, 2001. (source: Double-Tongued Dictionary)
Further reading
Unwrap the name of a candy bar, and you just might find a story inside. For instance, one chewy treat found in many a checkout lane is named after a family’s beloved horse. And: 50 years ago in the United States, some Latino elementary...
“What has a head like a cat, feet like a cat, a tail like a cat, but isn’t a cat?” Answer: a kitten! A 1948 children’s joke book has lots of these to share with kids. Plus: an easy explanation for the difference between...