[scat] vi scat.ted ; scat.ting [scat, interj. used to drive away a cat] (1838) 1: to go away quickly
2: to move fast: scoot
[2]scat n [perh. fr. Gk skat-, skor excrement--more at scatology] (1927): an animal fecal dropping [3]scat n [origin unknown] (1929): jazz singing with nonsense syllables [4]scat vi scat.ted ; scat.ting (1935): to improvise nonsense syllables usu. to an instrumental accompaniment: sing scat