Horses are know for their appetites. THey are constantly eating whenever they get the chance. "Hungry as a horse" and "eat like a horse" made good similies for a person with a big appetite.
As in "I am so hungry, I could eat a horse"- means you are extremely hungry- since a horse is VERY big.
Well a banana could never eat a horse because it is not an animal and it doesn't have teeth
You could get your horse some special treats or special food to eat.
The Knapstrup horse originated in Denmark.
You could say "I could eat a horse."
A cliche
(Famished) I am so famished I could eat a horse.
No. The Przewalski horse originates in Mongolia and China.
england
it was originally a horse tranquilizer
Las Vegas - 2003 I Could Eat a Horse 5-12 is rated/received certificates of: Argentina:13