slipout
/ˈslɪpˌaʊt/
noun
- A small piece of paper or card that is easily removed from a book, magazine, or package.
- She filled out the slipout and mailed it to the company.
- Each box of cereal includes a slipout with a fun fact.
- The book came with a slipout containing a discount code.
- An act of leaving a place quietly or secretly.
- His slipout from the party went unnoticed by most guests.
- She planned a quiet slipout of the meeting before the argument started.
- The cat made a quick slipout through the open door.
Antonyms