Tumble down the sink

drink from a firehose

To be overwhelmed (with work, information, etc.); to be inundated with an unrestricted or unfiltered amount.

drink with the flies

To drink alcohol while alone.

drive someone to drink

To cause someone to drink lots of alcohol, as an escape from frustration.

drive to drink

Synonym of drive someone crazy.

hold one's drink

Synonym of hold one's liquor.

long drink

A relatively weak (low alcoholic content per volume) and voluminous mixed drink, typically containing lots of ice and mixer.

preach water and drink wine

To act hypocritically; to fail to practice what one preaches.

straw that stirs the drink

The person who stimulates or inspires a group; the major factor affecting a trend or set of developments.