Definition of cripple

This is a ball that is resting on the edge of a pocket, and would be a very easy shot to pocket.
This is also used to describe the ball when it rests on the edge of the pocket, almost begging to drop.

24 Random Essential Billiards Terms

The point in match play where both players (or teams) need only one more game (frame) victory to win the match or race.
Four-ball is a carom billiards game. The game is played on a pocketless table with four balls, usually one light red, one dark red, and two whites (or just two reds and two whites). Each player is assigned one of the white balls as his own cue ball. A point is scored when a shooter caroms on any two other balls. Two points are scored when the player caroms on each of the three other balls.
Also known as "Break and Dish". In pool games, when a player breaks the racked object balls, pockets at least one ball on the break, and commences to run out the remaining object balls without the opponent getting a visit at the table.
This is a shot that shows great control and positioning in where the cue will be when all the balls stop rolling.
Skilled playing in which knowledge of ball speed, angles, post-impact trajectory, and other factors are used to gain position (i.e. a good leave) after the target ball is struck. The goals of position play are generally to ensure that the next shot is easy or at least makeable, and/or to play a safety in the advent of a miss (intentional or otherwise).
All-Africa Pool Association. The AAPA is a member of the WPA.
A shot that has a positive outcome for the player, although it was not what the player intended. Examples of flukes include an unexpected pot off several cushions or other balls having missed the pocket aimed for, or perhaps a lucky safety position after having missed a pot. Compare fish and slop; contrast mark (sense 3) and call. It is customary to apologise to one's opponent if one does this.
This is what is brought to the table if you are playing at your best potential.
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.
This is a shot that attempts to move a number of balls onto your side of the table in a kind of herding attempt.
Chiefly British: The half of the table from which the break shot is taken. This usage is conceptually opposite that in North America, where this end of the table is called the head.
This the area behind the pocket points before the pocket. The ball can get behind here and rest waiting to be pocketed, or the cue ball can get corner hooked in this location. Different tables feature a smaller or larger area here which can make these situations more or less achievable.
This is to win a game by pocketing enough balls before you opponent.
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".
Chiefly British: Same as shark (senses 1, 2). The term appears in lyrics from The Mikado (1884) in relation to billiards, and developed from sharper (in use by at least 1681, but now obsolete) meaning "hustler" but not specific to billiards.
Used in snooker in reference to the position of the cue ball. It is above the object ball if it is off-straight on the baulk cushion side of the imaginary line for a straight pot (e.g. "he'll want to finish above the blue in order to go into the pink and reds"). It is also common to use the term high instead.
Jargon for a tournament chart, showing which players are playing against whom and what the results are. Often shortened to card.
This when you receive the first legitimate shot on the next "ball on" after there had been a series of safeties to try and hurt the other players chances. This term is often used in one pocket pool.
Also shortstop, short-stop. This is a player that is excellent at pool, but tends to fall short of number one. A shortstop is the best player relative to a particular scene. A second-tier professional who is not (yet) ready for World Championship competition. It can also be applied by extension to a player who is one of the best in a region but not quite good enough to consistently beat serious road players and tournament pros. The term was borrowed from baseball.
To bungle a shot in a manner that leaves the table in a fortuitous position for the opponent. Contrast sell the farm.
This is an object ball that essentially covers up a path necessary for sinking the desired object ball.
To play a shot using a more difficult application of stroke and speed to achieve a certain desired position for the next shot, even at the expense of or sharply increasing the likelihood of a miss.
A pejorative term for an improper rack in which the balls are not properly in contact with their neighbors, often resulting in a poor spread on the break.

1- This is a knowledgeable shot showing skill on the movement of the cue ball.

2- This is an experienced one pocket pool player that shows extraordinary skill at coordinating the cue balls and object balls for safety plays.