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

Also solid, solid ones, solid balls. The non-striped ball suit (group) of a fifteen ball set that are numbered 1 through 7 and have a solid color scheme (i.e., not including the 8 ball). As in, "I'm solid", or "you've got the solids". Compare low, small, little, reds, spots, dots, unders; contrast stripes.
A set of paired balls in the game of cribbage pool that have a number value which combined equal 15. For example, the 8 ball and the 7 ball added together equal 15 and thus constitute one cribbage if pocketed in succession.
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 situation in which a ball strikes another ball which is close to a rail and the struck ball rebounds back into the ball it was hit by; usually but not always unintended.
When the tip of the cue begins to hang over the sides of the ferrule from constant use. This is the action of mushrooming, and it is important to use a tip tool to reshape the tip to fit the ferrule.
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.
(Chiefly British.) In snooker and blackball/eight-ball pool, an instance where the cue ball has been potted (pocketed) after contacting an object ball. It is a fault (foul) in most games. There is no equivalent (current) American term for this specific means of pocketing the white ball. Compare losing hazard, scratch.
A player of cue sports.
This is placed on a ball by hitting it slightly below center. This action makes the ball travel in a motion against its originally hit direction.
This is a game played with the same balls and similar scoring methods of carom, but with pockets on the table, and more scoring opportunities awarded when certain balls are sunk in combination.
An imaginary line dividing the table into two equal halves lengthwise. It intersects the head string, center string and foot string at the head spot, center spot and foot spot, respectively.
The surface of the table used for play (often made with slate).
The ball required to guarantee victory in a match. Sometimes used figuratively to mean the last difficult ball required (chiefly British and usually used in multi-frame matches, particularly snooker).
Often times a protective finish is applied to a cue stick after construction. A UV polyurethane is common, and this helps to protect the cue from fading and dings.
See overcut.
This describes a shot where you bank the object ball off of a rail and then sink it in a side pocket.
A break shot in which the rack (pack) is disturbed as little as possible within the bounds of a legal shot, in order to force the opponent to have to break it up further. A soft break is desirable in some games, such as straight pool, in which breaking is a disadvantage; and forbidden by the open break rules of other games such as nine-ball and eight-ball.
This is a handicapping method where one player gets the break, and is allowed to choose any ball afterwards to put in their pocket.
An intentionally amateurish stroke to disguise one's ability to play.
This is when you win a game of one pocket on your opponents break.
This is a type of shot where the cue ball goes off the rail before it heads to contact the object ball, thus giving the cue better position in some shots.
Also massé shot. A steep curve or complete reversal of cue ball direction without the necessity of any rail or object ball being struck, due to extreme spin imparted to the cue ball by a steeply elevated cue. For Example: shooting with extreme english by holding the cue at a position of 30-90 degrees while applying left or right spin.
This game is played on a smaller octagonal table filled with bumpers in the middle and two more bumpers surrounding a hole on each side of the table. The game is played by trying to sink the balls into the opposite pocket by hitting the object ball directly instead of using a cue ball.
This is a carom shot that utilizes english and only two rails to achieve three cushion contacts.