Definition of Ibsf

Chiefly American: The half of the table from which the break shot is taken. This usage is conceptually opposite that in British English, where this end of the table is called the bottom. Contrast foot. See also kitchen.

Also piquet. Either a massé shot with no english, or a shot in which the cue stick is steeply angled, but not held quite as vertical as it is in full massé.

This is the portion of the butt of your cue just below the handle or wrap. This portion of the cue is made separately and often times cored out to ensure the proper weight balance within the full length of the cue. This portion of the cue is usually made with exotic wood that matches the wood in the forearm or in the points on the forearm. This section is used to highlight the design of the forearm, sometimes a re-creation, a reverse, or a rendition of the same pattern on a smaller scale.

This is to intentionally foul by slightly moving the ball, or playing another type of illegally defensive shot in a game where the ball is just turned over to the other player. Like in one pocket, you still take the foul, but can leave the other player with a challenging shot.

Same as feather (US) or snick (UK)

This is when a mistake is made in the shot and the resulting contact between balls forces you to miss the shot.

Also (chiefly British) shot programme. The enumerated trick shots that must be performed in the fields of artistic billiards (70 pre-determined shots) and artistic pool (56 tricks in 8 "disciplines").

In snooker, the colour ball worth 5 points, whose spot is at the center of the table.

A shot, especially common in straight pool and in some variants of blackball (but not WEPF/EPA rules), in which a player intentionally commits a foul with the object in mind of either leaving the opponent with little chance of running out or simply to avoid shooting where no good shot is presented and to do anything else would give the opponent an advantage. It is often referred to in straight pool as a "back scratch."

To indicate where something is to be done. To "mark the pocket" means to indicate which pocket you intend to sink an object ball.

The angle from which a ball rebounds from a rail, as measured from the perpendicular to the rail.

A fast paced offensive game similar to 9-ball but only using balls numbered 1 through 7.
Pocketing the 7-ball wins the game. Under the current pro rules of 7-ball, any missed shot gives your opponent ball-in-hand.

A combination shot, where hitting the first ball rubs it against the center connecting line of two frozen object balls throwing the second out.

The overall competition between two players, two pairs of players or two teams of players, usually consisting of a predetermined number of frames or games (sometimes organized into rounds).

Also dead ball shot. A shot intended to slow down or "kill" the cue ball's speed as much as possible after contact with an object ball; usually a shot with draw, often combined with inside english. It is often shortened to kill.

In snooker, the pocket nearest the yellow spot.

This can be a shot where the best option for you is to sink a ball in you opponents pocket in the game of one pocket. This can also refer to the act of offering an opponent a ball adjustment to even the playing field.

Short for right english (side), i.e. side spin imparted to the cue ball by stroking it to the right-hand side of its vertical axis. Contrast left.

The angle at which a ball approaches a rail, as measured from the perpendicular to the rail.

Chiefly American: The short rail at the head of the table. Traditionally this is the rail on which the table manufacturer's logo appears. Compare bottom rail, baulk rail; contrast foot rail.

One of the alternating turns players (or doubles teams) are allowed at the table, before a shot is played that concedes a visit to his/her opponent (e.g. "he ran out in one visit"). Usually synonymous with inning as applied to a single player/team, except in scotch doubles format.

Also last pocket. A common rule in informal bar pool, especially bar/pub eight-ball, in which the money ball must be pocketed (potted) in the same pocket as the shooter's last object ball (each player may be said to eventually "own" a pocket, for the duration of the game, in which their 8 ball shot must be played if they have already run out their suit). The variant is not extremely common in the United States or the UK, but is near-universal in much of Latin America (where two cue ball scratches are permitted when attempting the 8 ball shot and count as simple fouls, with only a third scratch constituting a loss of game). Last pocket is also common in North Africa. Last-pocket rules require careful position play, and frequently result in bank and kick shots at the 8 ball.

Slang for a mechanical bridge.

As an adjective or compound noun: push-out. A rule in many games (most notably nine-ball, after and only after the break shot), allowing a player to "push out" the cue ball to a new position without having to contact any ball, much less pocket one or drive it to a cushion, but not counting any pocketed ball as valid (other foul rules apply, such as double hits, scratching the cue ball, etc.), with the caveat that the opponent may shoot from the new cue ball position or give the shot back to the pusher who must shoot from the new position. In nine-ball particularly, and derived games such as seven-ball and ten-ball, pocketing the money ball on a push-out results in that ball being respotted (which can be used to strategic advantage in certain circumstances, such as when the break leaves no shot on the ball-on, and failure to hit it would give the incoming player an instant-win combination shot on the money ball).