noun An undercover agent, spy, or intelligence analyst.
noun A black person.
noun A metaphysical manifestation; an artificial distinction or construct.
noun A psychiatrist.
noun A player who engages in hole carding by attempting to glimpse the dealer's hole card when the dealer checks under an ace or a 10 to see if a blackjack is present.
verb To frighten or make nervous (especially by startling).
The hunters were spooked when the black cat crossed their path. The movement in the bushes spooked the deer and they ran.