What do you call a scary horse in the dark?
A nightmare!
or
What disease was the horse scared of getting?
Hay fever!
or
What type of a computer does a horse like to eat?
Macintosh Apples!
or
What do you call a horse that can't lose a race?
Sherbet
or
Why do horses like to fart when they buck?
Because they can't achieve full horse power without gas.