Derived from the word revelation. Is an adjective to describe a person who tries to make something evident to you. They attempt to give you an somewhat of an epiphany just to be a douche bag.
"Haha, hey...how's your hot mom doing?"
"Why do you always have to be so fucking annoying"
"Every time you see me you always mention my mom; it's annoying and everyone thinks you're an annoying asshole."
"Wow, you're a reveliant douche."