under the table
Definition from Wiktionary, the free dictionary
- under-the-table (attributive use)
- (adjectival and adverbial) Secret(ly), covert(ly), undisclosed(ly).
- The payment was under the table.
- I was paid under the table, so I didn't have to pay taxes on the income but I couldn't complain when I was cheated.
- Used other than as an idiom: see under, table.