[Verse 1] 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. [Verse 2] The sign says that the shop was "Formerly Chuck's", implying that the two words beginning with "Eff" and "Ess" ... would have ended with -uck, rhyming with Chuck. [Verse 3] So, ... when Chuck owned the shop, it would have been called ... "Chuck's Phuck and Suck"