a hott sexy man named matthew biggs, he is nick named matitude because of his witty humor and personality. thanks to jeff and lindsey he has an actual nick name.
The attitude one gives to those not using Apple products, such as iPhones. Mactitude is having an air of tech superiority
A common statement heard from many with serious mactitude: "Oh....you don't have an iPhone..." - this is usually said while simultaneously giving a look of pity and/or disdain.