Definition of lock up

The act of playing a devastating safety which leaves the opponent in a situation where it is very difficult or near impossible to make a legal hit on an object ball

24 Random Essential Billiards Terms

The pocket in snooker that is closest to the green spot.
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.
In the carom games, any shot where the end result is all the balls near each other; ideally, in position for the start of a nurse on the next stroke.
Also treble. A British term for a type of bank shot in which the object ball is potted off two cushions, especially by sending it twice across the table and into a side pocket. Also called a two-cushion double.
A three cushion billiards shot in which the cue ball first strikes two cushions before hitting the first object ball then hits a third cushion before hitting the second object ball. So called because the shot opens up like an umbrella after hitting the third rail. Umbrella shots may be classified as inside or outside depending on which side of the first object ball the cue ball contacts.
This is your pocket for sinking balls in a one pocket game.
To sink a ball into a pocket.
Local Bylaws are additional rules, policies, and procedures unique to an area in addition (or subtraction) to established Pool/Billiards/Snooker league rules. They are designed to cover local situations.
A pool ball that was meant to go into the pocket, but got caught up by the jaw and ended up bouncing back and forth before stopping short of the pocket.
A soft joint-like plastic or linen base material. It lets the cue whip, putting more English on the cue ball.
Describes a player who needs only one more game win to be victorious in the match.
In snooker, a situation where the scores are tied after all the balls have been potted, and the black ball is re-spotted and the first player to pot it wins. The players toss for the first shot, which must be taken with the cue ball in the D. A safety battle typically ensues, until an error allows a player to pot the black, or a fluke or a difficult pot is made.
Also bigs, big balls, big ones. In eight-ball, to be shooting the striped suit (group) of balls (9 through 15); "you're big, remember", "you're big balls" or "I've got the big ones". Compare stripes, yellows, high, overs; contrast little.
Also goose neck rest. Same as swan.
A misnomer for hand talc.
A shot aimed so that the center of the cue ball is in line with the edge of the object ball, eclipsing half of the ball. "Hit it just a little thinner than half-ball." Assuming a cling does not occur, the shot will impart post-contact momentum on the object ball in a direction 30° (which is arcsin(1 - x), where x is the fraction of object ball eclipsed: ½ in this case) off the direction of the cue-ball's pre-contact momentum. Also notable because the carom angle the cue ball takes is more consistent than at other contact points.
Extreme application of draw. This when the draw back of the cue ball is your first priority, and you apply extra draw to the hit of the cue 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.
A break shot in which the object is to leave the incoming player with no shot or a very difficult shot, such as is normally employed in the opening break of straight pool. Cf. open break.
This is the portion of the joint that actually connects the two sides of the cue, often called the pin or male end. This comes in a number of different sizes and shapes which some believe has an influence on the hit of the cue stick.
Chiefly American: The cushion on the head rail. Compare bottom cushion; contrast foot cushion.
This is a handicapping method where one player gets the break, and is allowed to choose any ball afterwards to put in their pocket.
This is the running score of a player during his inning of play. The sum of the continuously scored points, or where the player stands in the run on the table.
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.