sack drill

drill down

To examine information at another level or in greater detail; especially in a database, to navigate to a more detailed level or record.

fire drill

Any pointless, unproductive, useless, or chaotic activity.

get the sack

To be dismissed from employment.

give the sack

To dismiss from employment

know the drill

To be acquainted with the normal process or procedure of a given activity or situation; to be familiar with how something is done.

sack of crap

Synonym of sack of shit