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The official battlecry of the pokemon pikachu.

Ash: Go get 'em, Pikachu!
Pikachu: Pika-pika! ..piiiiikaaaaaaachuuuuuuuuuuuuuuuuuu!!
Team rocket: Team Rocket's blasting off agaaaaaaiiiiin! *sparkle*

by vampirebug94 August 17, 2007
1. cold-climate lagomorphs, relative to rabbits and hares, that have short ears, almost no tail, nostrils that can close at will, short limbs, and long, dense fur (even the feet are furred)

2. what pikachu says
1. rocky mountain pika, cony
by Aliz February 01, 2005
The icelandic term for vagina
I slipped my hand down her pants to feel her moist pika
by the413 August 20, 2009
PIKA is a chat group on the Neopets Avatar Chat devoted to Pokémon; Pokémon Is Kick (Butt)!

Members chose a Pokémon to "be" upon joining

PIKA was created on Halloween of 2009.
PIKA has balls... POKEBALLS!!!
by PIKAer January 10, 2010
An exclusive group of girls, ladies, gals, women. It is used as a noun. Most everyone envys them and every guy wants to be with them whether for a night or for a lifetime. These girls know how to have fun and are so cool.
Everyone wants to be a pika.
by Pika1 February 02, 2014
A fail forum troll
a person who likes to make videos about himself and a game
someone who only goes on forums to make people mad or to get atttention
Pika's also like to where adidas
all around fag
Pika loves cock
by Penisman228 December 19, 2010
a rare eating dissorder where the afflicted are compeled to eat non food objects such as clay, dirt, crayons, plastics, and other such usually malluable items.
this is different from small children eating dirt.. it usually affects teenagers to adults.
that girl who was diagnosed with pika really tore up her intestinal track.
by shinigami dani July 17, 2003