This is probably best noted while playing the game mode Search and Destroy on Modern Warfare 2. Players, known as spwners, have the spawn locations on every map memorized. These spwners fire off all rounds of noob tube/thumper/AT4-HS at the opposing teams spawn in order to kill as many of them possible. Most spwners will use a combination of the perks One Man Army and Danger Close in order to maximize their killing potential. However, One Man Army replaces their secondary weapon, so some prefer to use Sleight of Hands so they can use an explosive secondary as well as fire off their shots at a much faster rate.
Usually after dying from a spwner the player will yell and swear and accuse the creators of Modern Warfare 2 that their game is inbalanced and stupid.