Expanded Glossary from the book - Illustrated Principles of Pool and ...

sidespin: clockwise or counterclockwise horizontal plane rotation of a ball.
sighting: eye alignment and line of focus used to best visualize and achieve the desired aiming
line.
single-elimination: a tournament in which a player is eliminated after a single loss.
sink: same as “pocket” a ball.
SIS: spin-induced spin.
SIT: spin-induced throw.
sitter: same as “hanger.”
six pack: six games run in a row.
skid: term used to describe the sliding motion of an object ball due to throw or cling.
skill shot: a difficult shot requiring more ability than a typical shot.
skittles: easy “roadmap” layout of balls (as if the balls were tasty candy waiting to be eaten).
skrew: Snooker or British term used for a draw shot or bottom spin.
slate: the material (usually machined metamorphic rock slate) beneath the table cloth providing
the base for the playing surface.
slick cloth: cloth with low sliding friction (i.e., the CB can slide longer before developing roll).
sliding: relative motion between the bottom of a moving ball and the cloth resulting in friction.
Sliding occurs any time the ball is not rolling naturally.
motion between the base of the ball and the cloth (creating sliding friction).
slip stroke: the practice of sliding the grip hand along the cue during the stroke.
slop: balls made by accident.
slop shot: a shot with no clear objective, usually hit hard in the hopes that something might go
in.
slow cloth: cloth with lots of rolling resistance (i.e., the CB doesn’t travel very far before
slowing).
slow-roll shot: a shot hit very softly, where the cue ball rolls almost immediately, regardless of
cue tip offset. Table roll-off can be more of an issue with these shots.
slug rack: racked balls with gaps resulting in a terrible break.
small balls: same as “solids.”
snap: same as “break.”
Sneaky Pete: a high-quality cue made to look like a house cue, potentially used to hustle.
snooker: the billiards game played with 21 object balls on a special snooker table that is larger
than a regulation pool table. The balls are smaller and the pockets are also smaller and shaped
differently.