down the hatch
something you say before drinking an alcoholic drink quickly

[TahlilGaran] Dictionary of Contemporary English ▲

Down the hatch!
[informal]
something that you say before drinking an alcoholic drink, especially when you are going to drink it all without stopping.
And a whisky for you. Down the hatch, as they say.

[TahlilGaran] English Idioms Dictionary ▲

down the hatch
something is swallowed; to swallow a drink or eat something
My drink was down the hatch before I could order another one.

The cough medicine went down the hatch as soon as I gave it to my little boy.

The captain says down the hatch whenever he gives the sailors a drink.

[TahlilGaran] English Idioms Dictionary ▲

down the hatch
v. phr., informal Let us drink!
When we celebrated Mom's birthday, we all raised our glasses and cried in unison, "Down the hatch!"

[TahlilGaran] English Idioms Dictionary ▲