To chew pizza, the only word you are allowed to say with your mouth full while consuming the supreme holiness that is pizza
Pizza.. Pizzachu.. PIZZZAAA
by ShadowLing March 8, 2015
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a gay ass word my friend Antonio made up thats only meant to annoy the hell out of people
Me:sup antonio
Antonio:PIZZACHU
Me:your fuckin emo dude
Antonio:i like candy
Me:..........
by [GrIm] December 18, 2007
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A weird looking new pokemon that looks like a pikachu except covered in zits or spots and all that stuff (maybe even STD's) resembling a slice of pizza.

OR...

A Pikachu that loves pizza
Ash Ketchum: "Oh wow what's this?"
Professor Oak: "It looks like a new pokemon"
"PIZZACHUUUUUU!"

OR

Ash Ketchum: "I thought pokemon liked pokeblocks"
Professor Oak: "Apparently this one is different. It likes human food."
Pokemon: "Pizzachu?"
by Kelly Lenigan March 7, 2008
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