To deliberately perform at a lower level than you are capable of

the whale tail is the shape formed when a g-string rides up high over a womans trousers

When a player in any game chooses (on purpose) to not play their best. Normally this is because they are too superior, they want to hustle you, or they are too lazy to play their best with nothing on the line.

in corporate sales: when reps report a much lower deal opportunity than actually exists. reps do this so that if the deal doesn't go through they don't look as bad and so at the end of the quarter when the company has to make their number the rep isn't selected to perform a high pressure last minute sales job.

A word usually used by Truckers meaning slow driving or taking ones time.

When making a sale during the week but purposely not booking it on the computer until the Friday so you don't need to go in to work.

Used in street racing. It means to be cheated out of a race or the opponent purposefully slowing down so the margin of victory seems smaller then it actually was.