whammo

American  

[hwam-oh, wam-oh] / ˈʰwæm oʊ, ˈwæm oʊ /

interjection

1. (used to indicate the sound of a blow, collision, falling object, etc.)

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noun

1. immense energy; vigor.

   a movie with plenty of whammo to please the kids.

adjective

1. characterized by such a strong effect.

   a show with a whammo ending.

adverb

1. wham.

Etymology

Origin of whammo

First recorded in 1930–35; wham + -o

Example Sentences

“I have to admit, what I want is a picture on the wall, a whammo picture,” he said.

From The Guardian • Feb. 19, 2020

So they don safety goggles, pick up a hammer, and whammo.

From Scientific American • Feb. 4, 2018

The action and twists are so good you get caught up, and then the next thing you know, whammo, you’re charting the family tree of the Tyrells and hoping for more time in Dorne.

From Los Angeles Times • Sep. 21, 2015

I remember Bernie Williams had eye issues and, after his operation, whammo, he was back on track.

From New York Times • May 20, 2011

So how about organizing another team, one that hasn't got quite so much whammo?

From Masters of Space by Berry, Robert Lee