In video games, boosting is the practice of playing a competitive multiplayer game against accomplices, in order to easily gain ranks or achievements which would require significant time or skill to achieve during regular play.
Boosting is often considered a form of cheating, because the "boosters" can easily get rewards for kill streaks or achievements which are impossible for all but the most skilled players to earn against regular opponents. Boosting usually occurs in first-person shooter games. In a game such as Call of Duty: Modern Warfare 2, boosters can take turns killing each other to gain in game achievable unlocks much faster or, more commonly, to easily achieve 25 consecutive kills and acquire ability to end a game with tactical nuke.
There are websites that help bring online gamers in need of boosting together. Through sites like these, gamers can get together and form boosting parties in an attempt to unlock perks, achievements, trophies, or anything else that can be obtained through specific means.
[1] Some players go out of their way to stop boosters from succeeding in their goals.[2]