n. One who or that which kicks.n. One who offers strong, and especially unexpected or perverse, opposition; one who objects or opposes; a bolter.n. Nautical, the propeller of a small launch.n. In cricket, a ball which kicks or bumps, that is, which rises higher than usual after pitching.n. In poker, a card held up with a pair, usually an ace or king.n. The reversing gear of some direct-acting steam and hydraulic pumps.