Top Definition
A phrase from the film Back to the Future. It was used in the movie by the Doc to voice concern that something needs to be more powerful.

Today, we use the same phrase to explain that things need to be more powerful or better.
Jon: Dude, my MP3 player can't hold anymore songs. It's only 256MB.

Mike: Needs more jiggawatts.

____

Sam: This computer is too slow.

Judy: Needs more jiggawatts.

____

Mary: I bought a used Geo Metro. Needs more jiggawatts.

Beth: Hells yea.

____

Sam: How do you like these wings? I made them extra spicy.

Tony: Needs more jiggawatts!
by malcolmdog January 04, 2006

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