scat (interj.)

"go away!" 1838, from expression quicker than s'cat "in a great hurry," in which the word probably represents a hiss followed by the word cat.

"nonsense patter sung to jazz," 1926, probably of imitative origin, from one of the syllables used. As a verb, 1935, from the noun. Related: Scatting.

"filth, dung," 1950, from Greek stem skat- "dung" (see scatology).