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Although sometimes deemed incorrect, "Jiga" is the correct, if uncommon, pronunciation of the prefix giga-.
"1.21 Jigowatts?" Doc Brown
Jigowatt by HornPlayerCasey February 25, 2009
Related Words
Seeming to come out of nowhere, a jigowatt is the feeling of a what seems like a thousand bolts of energy shooting up the spine, wreaking havoc on your nervous system, completely disabling you from doing anything other than jerking your body in a violent shiver for about 3 to 5 seconds.
I was standing on my porch today when out of nowhere, I had a jigowatt! It was no ordinary shiver! It was like an earthquake went up my spine!
jigowatt by zazu September 13, 2005

jigawatt 

Unit of power used by a Flux-capicitor.
"1.21 Jigawatts ! The only thing that can produce that kind of energy is.. A bolt of lightning."
jigawatt by Woody Two Guns December 31, 2007

jigawatt 

Gigawatt
See gigawatts.
"What the hell is a jigawatt!?"
jigawatt by Joshua J. Slone July 27, 2003

jigawatt 

Tuna's time machine needed 1.21 jigawatts to successfully make it into the past.
jigawatt by Tuna October 27, 2003

jiggowatt 

Misspronounciation of the Gigawatt measurement of energy, most famously used in the film Back To The Future (1985) in a discussion between Doc Brown and Marty McFly on the subject of powering the doctor's freaking awesome DeLorean.
"1.23 Jiggowatts?!?!?!"
jiggowatt by A. Robert Dowson August 21, 2006
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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