whoopee cushion

noun
1.
a type of cushion or pillow used as a practical joke that, when sat upon, produces a loud noise resembling flatulence.
Also, whoopie cushion.
Origin
1955-60
British Dictionary definitions for whoopee cushion

whoopee cushion

noun
1.
a joke cushion that emits a sound like the breaking of wind when someone sits on it
Contemporary definitions for whoopee cushion
noun

a rubber joke cushion set on a seat and making a rude noise when sat upon

Slang definitions & phrases for whoopee cushion

whoopee cushion

noun phrase

A bladder that makes a loud flatulating sound when sat upon: It's Grandma's whoopie cushion. I thought you'd like that, you little fart (late 1950s+)