I also dreamt of a white dog with a blue spot over one of his eyes, holding up a skull. He was smiling docilly, but in the same dream, a black aggressive dog barked at me and bit my hand. What might this dream mean?
Dreams are often a reflection of one's thoughts and emotions. To dream of a white dog with a blue spot holding up a skull could indicate that you are feeling somewhat ominous or that you are worried about something. The presence of the white dog might represent protection and loyalty, while the blue spot over one of his eyes suggests that there may be some wisdom or insight that you are overlooking.
The black aggressive dog in the same dream might symbolize some kind of fear or danger that you feel threatened by. Its bark and bite towards you could indicate a sense of uneasiness or concern about something in your life.
Overall, this dream might be telling you to be aware of any potential threats or problems in your life, while at the same time, reminding you to trust in your own instincts and intuition to guide you through any challenges that you might face.