whoopie cushion

Noun

 * 1) A small, rubber bag with a flap, used in a practical joke. The bag is filled with air and placed on a seat where the unsuspecting victim will sit; once he/she sits on the device, the bag deflates and makes a sound similar to flatulence.

Translations

 * Dutch: scheetkussen
 * Finnish: pierutyyny
 * French:
 * German: Furzkissen
 * Hebrew:
 * Japanese: ブーブークッション
 * Russian:
 * Swedish: