"Off with you!" (4)
(Other definitions for away that I've seen before include "Not present, having left" , "Absent - abroad" , "Having started" , "and 9: Christmas carol" , "football result!" .)
(Other definitions for shoo that I've seen before include "Get away" , "Push off" , "word of dismissal" , "Dismiss" , "Drive away" .)
(Other definitions for scat that I've seen before include "Leave; jazz singing" , "vocal style?" , "Dropping" , "improvisation in jazz" , "Get away with cats" .)