whoopee cushion

or whoopie cushion


noun

a type of cushion or pillow used as a practical joke that, when sat upon, produces a loud noise resembling flatulence.

Origin of whoopee cushion

First recorded in 1955–60

British Dictionary definitions for whoopee cushion

whoopee cushion

noun

a joke cushion that emits a sound like the breaking of wind when someone sits on it