SLOB Meaning of SLOB in English n. 1 colloq. a stupid, careless, coarse, or fat person. 2 Ir. muddy land. slobbish adj.[ Ir. slab mud f. E slab ooze, sludge, prob. f. Scand. ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012