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:

    “It is enough
    To smell, to crumble the dark earth,
    While the robin sings over again
    Sad songs of Autumn mirth.”
    —Edward Thomas (1878–1917)

    “Half the failures of this world arise from pulling in one’s horse as he is leaping.”
    —Julius Hare (1795–1855)