Green’s Dictionary of Slang

(US black) to run fast, to move quickly; also in fig. use.

1935		Z.N. Hurston Mules and Men (1995) 131: Dat ole lion give John de book; de bookity book! He hauled de fast mail back into de woods.
1994		(ref. to late 19C+) C. Major Juba to Jive 55: Bookity-book v. (1880s–1990s) an echoic sound, [...] meaning to run or move quickly.
1997		D.H. Edwards The World Don’t Owe Me Nothing 102: Robert Johnson was a great blues player and had his own style. [...] All the rest of them [. . .] had that bookity-book Delta style.