A wackface is a boy who is so wack he actually has the nerve to stand a girl up in Leicester Square. Wackfaces are usually Irishman and almost always have a false sense of superiority related to their skills in areas such as tennis, bowling and frisbee.
A temporary condition, either genetic, or often caused by excessive alcohol usage, wherein an individuals face contorts to a cringed, "wonky" position. Some of the effects include lazy-eye, a lazy, half-smile or combination, appearing as if the person perhaps has a "lazy-face" or lack of muscle control in one side of their face.
Although the condition is temporary, it is often regular and repeated in many individuals.