Definitely, otherwise known as "Definately, defenitely, definetely, difinitely," or my personal favorite, "[i]defiantly.[/i]" [spoiler]There's not even an 'A' in the word. How can you get that shit wrong?[/spoiler] OTHERS: There and Their - Mix-up Hear and Here - Mix-up Your and You're - Mix-up Tomorrow - Tommorow, Tomarrow, Tomorroh (seriously saw this once.)