don't call me sir, I work for a living

and I don't mean maybe

Indicating that one is serious and not joking about a matter.

answer the call of nature

To satisfy a bodily urge to urinate or defecate.

aye aye, sir

The correct and seamanlike reply, onboard a Royal Navy and US Navy ship, on receipt of an order from someone of senior rank or authority. It means "I understand the command and hasten to comply with the order."

busy work

Work or activity performed with the intention or result of occupying time, and not necessarily to accomplish something productive; routine work of low priority undertaken for the sake of avoiding idleness.

call a lid

To inform the press that no further news will be released from a governmental body that day.

call a spade a spade

To put it bluntly, to be outspoken; to speak the truth, to describe things as they really are.

call an audible

To change plans at the last minute in response to new information.

call it

To call it a day