under the table

alternative under-the-table

1. adjectivalSecret; covert; undisclosed.
2. adverbialSecretly; covertly; undisclosedly.

   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.

   1 more example

   2015, Elizabeth Royte, Vultures Are Revolting. Here’s Why We Need to Save Them., National Geographic (December 2015)https://web.archive.org/web/20151213095110/http://ngm.nationalgeographic.com/2016/01/vultures-text The men tie up their dogs, retrieve what’s left of the lion’s kill, and sprinkle it with a generic form of Furadan, a cheap, fast-acting pesticide that’s readily available under the table.

3. In or into a state of stupification or boredom.
4. In or into a state of drunkenness.

   Synonyms: under the mahogany

5. Used other than figuratively or idiomatically: see under, table.