(Belittlement; Defamation; Harm) Backbiting someone in a dream means driving one’s blessings away and nullifying one’s good deeds. Backbiting a poor person in a dream means becoming poor. Backbiting someone concerning a scandal in a dream means that one will become subject to defamation and suffers from a scandal. Like that, whatever subject the backbiting is addressing, its harm will come back to the doer. Belittling someone in a dream means that one will suffer the same in wakefulness.... Islamic Dream Interpretation
Biting someone in a dream may be a warning to look at your rage toward someone close to you. Biting into something may reflect a need to get more involved in a project or in a situanon.... Ariadne's Book of Dream
To dream of biting someone could be a warning that you are overdoing the pressure you are applying to certain people and causing them pain. In other instances it tells of low business practices and a lack of ethics in all your dealings.
If you are biting someone as a vampire then you feel like you must make your own way and not be dependent on others, which makes you feel like a ‘bloodsucker’. See Vampire.... Encyclopedia of Dreams
Dreaming of biting into a piece of fruit or other food indicates that you will soon take hold of a long-term problem and bring it to a resolution.
Dreaming of biting someone you know is usually a wish-fulfillment dream, expressing anger, either overt or repressed, toward that person and a desire to punish him or her. Dreaming of biting a stranger, or an animal, indicates a psychological conundrum that needs to be brought to the surface and resolved.
Dreaming of being bitten by a person is a harbinger of treachery and betrayal - and if you know the person, be careful what you say to him or her.
Dreaming of being bitten by an animal implies the revelation of someone else’s secrets - that you’d really rather not know. This also could be interpreted to mean that you should avoid becoming involved in the affairs of others.... Dream Explanations of Astro Center