GO LIKE THE CLAPPERS
To travel very rapidly. To work very hard.
Jack Duckworth can go like the clappers when he wants to bet on the gee-gees.
Bill Webster goes like the clappers when he is working.
Origin, numerous possiblities exist for the origin of the phrase.
(a) a contrivance in a mill for striking or shaking the hopper so as to make the grain move down to the millstones;
(b) Historically, the lid of a clap-dish, or a rattle, used by beggars, lepers, etc., to attract attention;
(c) the tongue or striker of a bell;
(d) an instrument for frightening birds away.