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!
by zazu August 14, 2005

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Top Definition
Incorrect pronounciation of the term gigawatt, said in the Back to the Future movie.
1.21 Jigowatts! 1.21 Jigowatts!
by Billy Givens March 09, 2005

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Although sometimes deemed incorrect, "Jiga" is the correct, if uncommon, pronunciation of the prefix giga-.
"1.21 Jigowatts?" Doc Brown
by HornPlayerCasey February 25, 2009

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