constant asshole syndrome is when a person will never not stop being an asshole to other people, they seem to just stay in the same negative attitude towards the people that they are around, they are usually like this to people that they don't know very well or think lesser of them.
Steven: Hey man did you hear what tori said to jake over there, she was literally yelling at him for eating his food near customers.
Michael: Ya man I saw that, she just has a really bad case of constant asshole syndrome.