Her mom called her a whoopee cushion, so that's where the first name came from.
From the washingtonpost.com
Over time, the whoopee cushion outlasted the banana peel and the hand buzzer.
From the nytimes.com
So many have to sit on that whoopee cushion of strained diplomacy these days.
From the bostonherald.com
Write the wrong thing, and I could be sitting on a whoopee cushion tomorrow.
From the orlandosentinel.com
He's really just annoyed that the whoopee cushion he left on Max's chair didn't work.
From the dailyadvertiser.com.au
Just keep an eye on those kids, or you could fall victim to a digital whoopee cushion.
From the forbes.com
As the whoopee-cushion cutthroat, Jack Nicholson was grinning all the way to the bank.
From the stltoday.com
A person hardly expects the arrival of 460 Anglican clergymen to signal wholesale whoopee.
From the time.com
These littler whoopee pies offer all the decadence with fewer calories.
From the kansas.com
More examples
Noisy and boisterous revelry
Whoopee! was a British comic that ran from (issues dates) 9 March 1974 to 30 March 1985, when it merged with Whizzer and Chips. It was published by IPC magazines.
Whoopee is a 1930 "All-Talking All-Color" musical comedy film photographed in two-color Technicolor. The plot of the film closely followed the stage show produced by Florenz Ziegfeld in 1928.