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:

    “... a full notecase,
    Dull Bodley, draught beer, and dark blue,
    And most often losing the Boat Race ...”
    —Philip Larkin (1922–1986)

    “When a horse comes to the edge of the cliff, it is too late to draw rein; when a boat reaches midstream, it is too late to stop the leaks.”
    —Chinese proverb.