Definition of intentional foul

Also known as a "Dirty Defense" or "Dirty Foul". To intentionally miss a shot (that results in a foul) in order to create a position for the cue ball that makes it hard for the other player to execute their shot. Not to be confused with a "Safety", since a safety is a legal hit.

24 Random Essential Billiards Terms

A sleeve, fitted onto the lathed-down tip end of the cue, made from fiberglass, phenolic resin, brass, ivory, horn or antler, melamine, plastic, or other rigid material, upon which the cue tip is mounted and which protects the shaft wood from splitting from impact with the cue ball.
When a ball is given as a handicap it often must be called (generally tacit). A wild handicap means the ball can be made in any manner specifically without being called.
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.
Same as break.
To enter the loser bracket in a double elimination tournament, or otherwise slip in standing in other tournament formats (i.e., to lose a game/frame/round/match, but still remain in the competition).
The table reserved for games played for money or the best table in the house. This table is always of better quality and regularly maintained. Money tables are most commonly reserved for big action.
This is a creative game played between four players, using hands instead of cue sticks. The goal is to shoot as many balls as possible into the diagonally opposing corner pocket you are standing behind. The shooting is done taking turns and rotating counter clockwise. When misses on the pocket occur, the ball is open game to be stolen and pocketed in the new opposing pocket during the new owners turn. Ties are decided by lagging with the hands, and the winner of one game is the first to shoot in the next.
Same as back spin.
This is a toned down masse shot. The cue is elevated a little and will curve a little in the direction the spin is applied. This is used to sneak around difficult shots.
A 7 inch (17.8 cm) square box drawn on a balkline table from the termination of a balkline with the rail, thus defining a restricted space in which only 3 points may be scored before one ball must be driven from the area. It developed to curtail the effectiveness of the chuck nurse, which in turn had been invented to thwart the effectiveness of the Parker's box in stopping long, repetitive runs using the anchor nurse.
In APA, once a player has received at least 10 scores in a format, they will have established their skill level. Their established skill level can go up or down depending on their perdformance and is clculated by the APA's Equalizer Handicap System.
Describes a cue ball sliding on the cloth without any top spin or back spin on it.
Also sidespin, side-spin, side. spin placed on the cue ball when hit with the cue tip to the left or right of the ball's center; usually called english in American usage. See english, in its narrower definition, for details on the effects of side spin.
To take one's two-piece cue stick apart. When done before a game's conclusion, it often indicates that the game is conceded.
North American Poolshooters Association. Mission: To provide a competitive and fun amateur pool league competition with cash and prizes awarded to the players at the local level.
Nearly table-length distance between the cue ball and target object ball, or near cue and object balls and target pocket, i.e. a potentially difficult shot ("you sure left me a lot of green on that one").
The cloth covering the table.
A Baulk line is line drawn across the table 29 inches from the bottom cushion and parallel to that cushion.
This a shot that hits the object ball at the nine ball to see if you can get lucky by sinking the nine ball in any pocket. (also see Cheese the Nine and Rolling the Cheese).
A well calculated successful slop shot that is usually hit a little harder than it should be and results in a pocketed ball or two without any fouls.
In three cushion billiards, the most standard shot where the third ball is advantageously placed in a corner.
Also tiptool, tip-tool. Any of a class of maintenance tools for cue tips, including shapers, scuffers, mushroom trimmers, tappers, burnishers and tip clamps. Road, league and tournament players often carry an array of tip tools in their cases. The term is generally not applied to cue chalk.
When a ball is in firm contact with a cushion or another ball.
This is a blemish added to the table in order to help execute a shot; these marks are not allowed and result in a foul.
These are fouls made in one turn and then on the next by the same player each time. Some games have a rule that a player will lose the rack or match with three succesive fouls.