town and gown
On the one hand, the members of the city, borough, or similar community near a university and, on the other hand, the students and faculty of the university itself, especially when understood as rivals in a state of tension or conflict.
[H]owls, curses, flights of brickbats, stones shivering windows, groans of wounded men, cries of frightened females, cheers of either contending party as it charged the enemy from