Bat Shift 

Working the night shift. more commonly know as the graveyard shift.

Would you shut up? I have to work bat shift tonight!

Bat Shift by JumpInAWoodchipper October 17, 2015

shift bat 

A sheet of paper or card that gives a bus driver their routes, times and running information (such as sign-on and off times, meal break times, bus type) for the shift they are allocated.

Henry the bus driver collected his shift bat from the depot at the beginning of his shift.

shift bat by Bob747438 February 28, 2021