A party popper is a device used to celebrate special occasions such as birthdays, weddings, and New Year's Eve. It typically consists of a small plastic tube filled with confetti and a string that, when pulled, releases the confetti into the air. The two crossword solutions for the term 'party popper' are CORK (4 letters) and BALLOON (7 letters). A CORK is a stopper made from the bark of a CORK oak tree and is often used to seal bottles of champagne or sparkling wine. Balloons are thin, flexible bags made of rubber or plastic that can be filled with air or gas to create a shape.