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1 definition by imapc

 
1.
Someone who vigorously campaigns for Apple products as if the brand was a political cause or religious sect.
Person A: Why does that guy always walk around from person to person to brag about how cool his iphone/ibook/mac t-shirt is?

Person B: He's a Mactivist... spreading the good word is his life's work.
by imapc July 17, 2009