cracker-barrel

詳細解釋：

crack.er-bar.rel

adj.（形容詞）
Resembling or characteristic of the extended informal discussions carried on by persons habitually assembled at a country store:
泛泛而談的：象鄉間鋪子裡聚集的人們所發的隨便的議論那樣的或以此為特徵的：
例句：
cracker-barrel philosophy.
不精確的，說了就算的理論

來源：
[After the cracker barrels that people supposedly would gather round for conversation in old-time general stores]
[源於舊時代雜貨店內人們可能聚集在其旁邊發表議論的餅乾桶]