Black Ugg Energy

A toxic girl with daddy issues that does anything they want without fear. most likely to kill or harm you over love regardless of moral alignment just like black air force energy these girls share more of a resemblance to goths girls or hello kitty girls

That girl you been talking to its is bad news she gives off black ugg energy .

Other Examples
Yuno Gasai (Future Diary)
Yuka Takaoka(Real)
Kotonoha Katsura (School Days)