Drink somebody under the table - Idioms by The Free Dictionary
drink somebody under the table
drink (someone) under the table
To be able to drink much more alcohol than someone else. Please, she's a tipsy after one shot—I could definitely drink her under the table.
drink somebody under the ˈtable (informal) drink more alcohol than somebody without becoming as drunk as they do: Believe me, she can drink anyone under the table!