Get the lead out!

get the lead out

To do something at a faster pace. (Lead is a very heavy metal.) Come on, these papers won't copy themselves—get the lead out, fellas!
See also: get, lead, out
Farlex Dictionary of Idioms.

Get the lead out!

exclam. Get moving!; Hurry up! (Crude. It is assumed that one has bowels full of lead.) Come on, you turkeys. Get the lead out!
See also: get, lead
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • get the lead out
  • get the lead out of (one's) pants
  • shake the lead out
  • get the lead out of one's feet
  • get the lead out of (one's) feet
  • lead in
  • led
  • lead the line
  • lead with
  • lead (one) to the altar