Golf Terminology - 'Y'
yank - (aka: "pull", "jerk") When a shot is hit such that it goes severely left (for a right-handed player) of the golfer's intended target to the point that the shot can either no longer be called a hook (i.e. its too gone to be a hook anymore) or its such a horrible hook that it is considered, 'yanked'. Example: "Diego teed up on the first tee and promptly proceeded to yank his drive into the lake surrounding the 18th green."
yardage - (aka: "yardage book", "yardage marker") the measurement of distance, typically provided in yards. Example: "Some golf courses have yardage markers on all relevant sprinkler heads."
yardage book - a booklet either provided by the golf club (sometimes at a price) or written by the golfer with or without the assistance of a caddie that provides measurements not only of the distance from tee to green but also of all other relevant distances that may be of interest or useful to somebody playing a particular hole (including distances to the beginning of water hazards etc.) together with notes to assist in the playing of the hole/course. Example: "I always ask at the pro shop if there is a yardage book available when I am playing a course with which I am not familiar. It makes my club selections much easier."
yips - the either real or imaginary nervous twitching of muscles at the most inopportune time in a golf swing or putt. Example: "For the past three rounds Stacy's been missing all her putts to the left. Its the worst case of the yips I've seen in a while! "