When someone gives you a dirty look they are mean mugging you.

1) To glare at another person with a scowl, or other antagonistic facial expression, with malicious intent, hoping to provoke a response from the intended receipient.

1. To have a sour/mean look on your face.

1.A person who feels anger and/or jealousy for someone
A person who speaks badly,and/or takes negative actions in attempt to create problems for a person.
2.jealous of how one looks