A person with a long face, large teeth, a gaping mouth, and other horse-like facial characteristics.

a word that is given to a lot of people or celebs just simply as an exaggeration, because someone has a slightly long or evan oval shaped face/big teeth/buck teeth/gummy teeth or a goofy smile (probably about half the population then) loads of celebs out there from eva longoria to christina aguilera, prince william or leona lewis have been called a horse. i don't think they are considered ugly to most people, nor are horses themselves.

A girl who's features resemble that of a horse.

A weird guy named Jean in the Survey Corps. He is a horse. Not literally, he just looks like one.

see Stephanie Gregory Clifford (disambiguation)

one who has an unsightly long pointed face (much like an inbred horse) along with grotesque bucked teeth. May also be rather hairy.

to have a face so long and narrow, that it reseambles that of a horse.