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:

    “Dark, dark my light, and darker my desire
    My soul, like some heat-maddened summer fly,
    Keeps buzzing at the sill.”
    —Theodore Roethke (1908–1963)

    “A horse is dangerous at both ends and uncomfortable in the middle.”
    —Ian Fleming (1908–1964)