A mutated crossbreed of a mouse and a rabbit, commonly painted yellow.
Randomly generates large amounts of electricity.
Currently being assessed by government scientists as an alternative energy source.
One day you'll plug your lights, your computer, your appliances, and your crappy electric car that goes 5 miles an hour into your Pikachu
by ashketchum May 28, 2008
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Pikachu is a Hong Kong politician and former police officer who is the fifth and current Chief Executive of Hong Kong.

Pikachu previously served as Chief Secretary for Administration between 2021 and 2022, Secretary for Security between 2017 and 2021, Under Secretary for Security between 2012 and 2017, Deputy Commissioner of Police between 2010 and 2012.

He has been chosen as Hong Kong's next Chief Executive starting 1 July 2022
by gamtiy May 8, 2022
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1. a fat yellow mouse named pikachu. 2. when you use full force on the fix wires task in among us. 3. to electrocute someone so bad they get knocked out.
me: im gonna pikachu u in ur sleep dude. the other guy: PIKACHUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
by THE.PIKACHU.NOT January 1, 2021
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Pikachu is the most perfectest pokemon ever. Can combine with squirtle to form squikachu. This is eminently awesome. OMG IT'S SO CUTE.
LOOK PIKACHU SOOOO CUUUUUTE!
by IH8DaCubs22 March 1, 2010
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A fat ass yellow rat that is exceedingly overpowered. Also seems to be immortal as he has been with ash for 21 years. Baisically a yellow piece of shit.
Girl: Hey have you heared of pikachu
Boy: Oh that fat ass rat?
by S0f1a3a December 14, 2019
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This Pokémon is the result of using an electric stone on a ratata. This science experiment gone wrong has become the face of the Pokémon universe.
Look at that weird ratata, it's called a Pikachu.
by Cross.24 October 7, 2017
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