a. A candidate for office whose chances of winning are slight but who may get enough votes to prevent one of the leading candidates from winning.

b. Sports A competitor that has no chance of winning or qualifying (as for a playoff) but defeats and thereby prevents another from doing so.

c. A published piece of information that divulges a surprise, such as a plot twist in a movie.

d. One who seizes spoils or booty: Odysseus, spoiler of cities.

a. A long, narrow hinged plate on the upper surface of an airplane wing that reduces lift and increases drag when raised.

b. An air deflector mounted usually at the rear of an automobile to reduce lift at high speeds.