utah effect

(noun) A well-documented but unexplained phenomena occurring in the american state of Utah, whereby the majority of women possess great bodies but are lacking in the face department. Seen often on campuses and in daily life.

Johnny admired the ass in front of him, thinking of all the things he would do to it.
Johnny: “Hey girl, can I get yo number?”
*Girl turns around*
Johnny: “Fuckin’ Utah Effect.”
*Johnny flees*