Dark Horse

A dark horse is a little-known person or thing that emerges to prominence, especially in a competition of some sort or a contestant that seems unlikely to succeed.

Read more about Dark Horse:  Origin, In The Political Arena, Use in Music and Film, Use in Publishing

Famous quotes containing the words dark and/or horse:

    “Spite of all the Indian-summer sunlight on the hither side of Hawthorne’s soul, the other side—like the dark half of the physical sphere—is shrouded in a blackness, ten times black.”
    —Herman Melville (1819–1891)

    “An old horse knows the road.”
    —Chinese proverb.