Like a famous "Mr." of song, it was the nickname of tap dancer Bill Robinson
This post also features two examples of the stair tap dance that ... Bill "Bojangles" 
Robinson was the most famous of all African .... "While Jerry Jeff Walker's 1968 
folk song "Mr. Bojangles" is often thought to be about Robinson, it was ... "Beau" 
is pronounced like "bow"--as in "bow and arrow" as is "Bo" in the... [DOC] [TLE] Bill "Bojangles" Robinson - American Tap Dance Foundation [PAR] Bill "Bojangles" Robinson, who claimed he could run backward faster than most 
... was the most famous of all African American tap dancers in the twentieth 
century.