1. A handkerchief. 2. A light sheet-metal door just inside the outer door of many safes. 3. A fugitive from justice; one who jumps bail, parole, or probation. 4. A chicken thief. 5. An expert at getting rid of undesirable persons. "This camp (flat) is loused up (full of undesirables); your the duster, Tom, give 'em kids the skids."

- american underworld dictionary - 1950