Here are some events that happen regularly on campus that are either just for grad students or have high grad student attendence

GSA Quarterly Free for All
Blue Monday’s-discounted drinks and food at Porter's Pub
OGS Diversity Dinners-quarterlys
Friday Lunch at International Center noon-2pm
Hare Krishna lunch-wednesdays 11-2pm on the roof of the original students center
Scripps Happy Hour-Fridays in the Surfside Lounge
Cognitive Science Wine and Cheese: Fridays in Cognitive Science Building Courtyard
Che Café-has events every weekend live music
Tango Practica-tuesdays at 9pm in the Main Gym
Badminton- courts in Main Gym are open friday/saturday from 6-11pm