harasshole

Definition: An asshole who persistently and relentlessly engages in activities that make others miserable, either on purpose or because the the perpetrator is oblivious to their harassholery.

Example 1: The union harassholes on strike crowded around the employee's car, refusing to let her proceed to the employee parking lot.
Example 2: Leave me alone already, I don't want you to buy me a drink. You're being a real harasshole.