a MAJOR pain in the ass.
i.e someone who doesn't understand that you really don't like them or care about what they are talking about and insists on cramping your style.
sarah: ...and then i looked at him and he looked at me and we just stared at each other and then he smiled and i smiled back and i looked away because i was starting to get embarrassed and then looked back and he was still looking and like...
aisah: *tries to write her lj entry* CAN YOU STOP BEING AN ASSBERRY FOR JUST ONE SECOND ?!