Cum-infested herpes sore
The ultimate retort to any namecalling. This one usually puts a stop to the arguing, since there's such a confused look on the other person's face...
Robert: You're an asshole.
Andrew: Yeah, well you're a taint.
Robert: You're a cum-infested herpes sore!
Andrew: Uhhhhhhhh.
Andrew: Yeah, well you're a taint.
Robert: You're a cum-infested herpes sore!
Andrew: Uhhhhhhhh.