eat a horse

:  to take in through the mouth as food :  ingest, chew, and swallow in turn

:  to destroy, consume, or waste by or as if by eating

:  to bear the expense of :  take a loss on

:  something to eat :  food

:  a large solid-hoofed herbivorous ungulate mammal (Equus caballus, family Equidae, the horse family) domesticated since prehistoric times and used as a beast of burden, a draft animal, or for riding

:  racehorse

:  a male horse

:  to provide with a horse (see horse 1a(1))

:  to move by brute force

:  to be in heat or estrus

:  of or relating to a horse (see horse 1a(1))

:  hauled or powered by a horse

:  large or coarse of its kind