The area surrounding the San Francisco Bay. Includes North Bay, East Bay, South Bay and the Peninsula.
Do noth confuse with wannabe Bay Areas like Memphis.
99.999999999999999999% of the time it's refering to the place in the NorCal.
A massivediarrhea about thirty minutes after eating a meal with some funky bacteria living on it. Usually associated with the hair on the back of the neck standing on end in the moments prior to relief. Sometimes the soda still has fizz and hastily chewed food can be identified. Great relief is felt and your day proceeds normally thereafter.
Guy: "I need a spot! I got thirty seconds 'till abort lunch!"
Girl: "I told you not to eat all those shrimp with the turd veins still in."
Guy: "shut up. Help me find something to wipe with! NOW!!!"