Top definition
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
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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2
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
2. PIKAAA!
by Aliz February 01, 2005
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3
It's a Brazilian word that means "fucking awesome" or simply "awesome" it also means Penis in Portuguese and it's easily founded in Brazilian music lyrics
"This guy is Pika"
"Look at my Pika"
"Suck my pika and shut up "
"It's soooo pika"
by Crazyrandom person April 10, 2016
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4
I slipped my hand down her pants to feel her moist pika
by the413 August 20, 2009
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5
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
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6
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
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