1 definition by siobhanx

Top Definition
A common area code for cities in the Bay Area. It includes Gilroy, Morgan Hill, Saratoga, Los Gatos, Monte Sereno, Milpitas, Sunnyvale, Santa Clara, Cupertino and San Jose. Also known as the yay area
Person 1: Where are you from?
Person 2: The 408!
Person 1: That's hella sick, me too!
by siobhanx December 30, 2007

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