1. the position of the ball on an american railroad ball signal that indicated stop.
2. A form of poker in which the lowest-ranking poker hand wins the pot. usually the ace is the lowest-ranking card, straights and flushes do not count making the best possible hand being A, 2, 3, 4, 5 regardless of suits (in contrast to deuce-to-seven lowball.)
3. A form of cribbage in which the first to score 121 (or 61) is the loser.
4. an unmixed alcohol drink served on ice or water in a short glass.
5. to give an intentionally low estimate of anything, not necessarily with deceptive intent.
6. to give (a customer) a deceptively low price or cost estimate that one has no intention of honoring or to prepare a cost estimate deliberately and misleadingly low.
7. to make an offer well below an item's true value, often to take advantage of the seller's desperation or desire to sell the item quickly.

1. A poker game in which the lowest-ranking hand wins.
2. to give a deceptively low estimate of the price of (merchandise or services); -- a sales tactic to induce a person to buy.

1. make a deliberately low estimate