Definition of rat in

Also known as slop. To pocket a ball by luck; "he ratted in the 9 ball"; usually employed disapprovingly.

24 Random Essential Billiards Terms

In blackball, a penalty conceded by a player after a fault. The incoming opponent is then allowed to miss twice before the faulting player is allowed another visit. Many local rules state the in-hand from the "D" or baulk (or if the opponent potted the cue ball, from anywhere) nature of the second shot is lost if a ball is potted on the first shot, that it is lost if the ball potted in the first shot was that player's last coloured ball (object ball in their group), and/or that there is only ever one shot on the black after a fault.
This refers to the cluster of balls remaining in a similar position to where they were within the break.
A shot where the shooter was trying to make the shot but misses. However, the result of the missed shot ends up being a very good defensive play.
To take one's two-piece cue stick apart. When done before a game's conclusion, it often indicates that the game is conceded.
In snooker, the colour ball that is worth three points, being the second-least valuable colour behind the yellow. It is one of the baulk colours.
A player who was playing very well but suddenly starts playing badly. e.g. "He was making everything on every shot, then lost his stroke and couldn't hit anything, costing him the match."
This is to execute a shot where the cue ball is controlled perfectly and stops where you want it to exactly.
To give a handicap to an opponent where they have to win a specified number less games than the other player in order to triumph in the match. The name refers to posting games on the scorekeeping mechanism known as a wire, though it is employed when no actual use of the particular device is available or intended.
This is a timing device for monitoring and restricting shot times for a player.
The triangular device, generally plastic, used to group the balls in a pyramid form prior to the beginning of a game.
This is to take all the money from a player or to have lost all of your own money.
This is to miss your shot but either luckily or on purpose leave your opponent with nothing to shoot at.
In snooker, after particular fouls are committed, the referee can call a "free ball." This allows the next player to assign any ball as "ball on" if he or she is shooting next.
A unit of scoring, in games such as snooker and straight pool with numerical scoring.
A unit of scoring, in team matches in leagues that use numerical scoring instead of simple game/frame win vs. loss ratios.
Another term for knuckle / tittie.
(noun) An opening in a table, cut partly into the bed and partly into the rails and their cushions, into which balls are shot (pocketed or potted).
(verb) Send a ball into a pocket, usually intentionally.
A cue made specificaly for an individual player. The term may also describe a quality product of a low volume yielding cue maker who puts more time and effort into both the design and structural integrity of the cue stick, as opposed to a cue manufacturer that builds their cues in a more assembly line fashion.
A joint type which makes it possible to screw and unscrew the butt and shaft very quickly; faster than standard threads.
A term used in snooker for the potting of all the balls that are racked at the beginning of the frame in a single break (run). The minimum total clearance affords 72 points (barring multiple reds being potted on a single stroke), in the pattern of red then yellow repeatedly until all reds are potted, then all of the colour balls. The maximum break is 147 (barring a foul by the opponent immediately before the break began).
Five-pin billiards is a today usually a carom but sometimes still a pocket form of cue sport, popular especially in Italy and Argentina but also in some other parts of Latin America and Europe, with international, televised professional tournaments. The game is sometimes referred to as Italian five-pins or Italian billiards.
Using knowledge of the game and one's own abilities and limitations to choose the manner of shooting and the particular shot from an array presented, that has a degree of likelihood of success. This often requires a player to forego a shot that if made would be very advantageous but does not have a high likelihood of success, in favor of a safety or less advantageous shot that is more realistically achievable.
Refers to a person gambling when he has no money. As in, "That jerk can't pay up, he was shooting air barrels the whole time".
The rules played in a particular venue not necessarily in comportment with official rules, or with common local bar pool custom.
A particular shot where the object ball hits or grazes another object ball on the way to its pocket or toward hitting yet another object ball.
See overcut.