Definitions for "payback"
same as retribution.
The ratio of project cost to annual savings, usually for an energy efficiency project. If a new high-efficiency boiler costs $10,000 to install and saves $2500 per year in fuel, the payback period is four years.
The time period required for savings in energy or water bills to outstrip the initial financial investment in building improvements.
The amount of winnings a slot machine will pay in relation to how much the player(s) bet(s).
The winnings a machine pays out in relation to the amount of money put in, stated as a percentage.
The percentage of winnings a machine/game will payout in relation to the amount bet.
Payback is a 1999 action film starring Mel Gibson and directed by Brian Helgeland. The film is a remake of the 1967 noir-classic Point Blank, directed by John Boorman and starring Lee Marvin, which in turn was based on the book The Hunter by Donald E. Westlake (published as Richard Stark, one of his pseudonyms).
Keywords:  requital
same as requital.
Keywords:  gta, videogame, amiga, apex, grand
Payback is a videogame by Apex Designs. It was originally one fan's project to make an Amiga clone of Grand Theft Auto, but, in the author's own words, "every effort has been made to ensure that Payback beats GTA in every way."
Payback is a television show on the Speed Channel that debuted in 2006. In the show, celebrities who have made it big pay back one of the people in their lives who in the past helped them along the way to their success, by building them a tricked out, one of a kind, new car designed specifically for them.
What you get as a result of push through. Severe exhaustion and exacerbation of various symptoms, eg. headache, nausea, sleep disturbance.
Keywords:  poker, expect, greater, percent, game
The long term expected return of a video poker game being played. Usually expressed as a percent, but sometimes expressed as the Expected Value (EV) of the game. You can expect to make money on a game only if its long-term payback is over 100% (EV greater than one).