when a person is worst than a slob. the "sch" sound is to intensify the sloppiness of the person in question (ex.1). To further intensify the word, elongate the first syllable to desired intensity.(ex.2)
Its origin has been credited to a Tara Fitzbooty for her everlasting thirst for beer and her uncontrollable hunger for Wendy's.
(ex.1) Tara drank all of our beer and wants someone and drive her fat gut to wendy's!! what a Schlob!!
(ex.2) Jason: Tara was blowing chunks and farting on dave's porch the other night!
Kyle: what a fucking Sssccchhhlob!!