Tipworld -> Origins
Slob

(slahb)
(n.)A person who's untidy, boorish, or crude

Apparently one story making the rounds these days is that "slob" derives from the Serbian name, "Slobodan." Don't believe it.

It derives instead from Irish Gaelic "slab," meaning "mud"--specifically the soft oozing kind typically found at the edge of the sea. In English, "slab" may have morphed into "slob" partly due to the influence of the older, similar-sounding words "slobber" and "slaver"--the latter being used as a verb meaning "to drool," and a noun meaning "gibberish or drivel".

In Serbo-Croatian, by the way, the name "Slobodan" derives from the noun "slobada" (sloh-BAH-dah), which, interestingly enough, means "freedom."

"But Darling, you used to always say that being a slob was one of my most endearing qualities!"