The sign is a subtle joke. The shop is called "Sneed's Feed & Seed", where "feed" and "seed" both end in the sound "-eed", thus rhyming with the name of the owner, Sneed. The sign says that the shop was "Formerly Chuck's", implying that the two words beginning with "F" and "S" would have ended with "-uck", rhyming with "Chuck". So, when Chuck owned the shop, it would have been called "Chuck's Feeduck and Seeduck".
Aha, I see, i have calculated this equation of where my enemy can and will go. The numbers are almost 85.1829% chance that they will go right over my crosshair, thus leading my equation into the correct mathematical path into my favor with the proceeding 1 kill or so. The simple equation to such a peasant game, 