2 definitions by BigMart

Top Definition
Someone who thinks they know it all and generally does, proving their friends wrong a LOT!
Oh I thought I was gonna give birth to a girl but my friend said it would be a boy and he was right. He's such a Martin!
by BigMart January 03, 2007
Someone who thinks they know it all and generally does, proving their friends wrong a LOT!
Oh I thought I was gonna give birth to a girl but my friend said it would be a boy and he was right. He's such a Martin!
by BigMart December 29, 2006

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