1 definition by davidb

818
818 - (n) An area code in the San Fernando Valley ("the Valley") area of the Los Angeles, north of the Santa Monica Mountains.

The area code was featured, in a somewhat derogatory manner, in the movies Go and Swingers.

People (likely due to its use in Go), will sometimes use it to refer to someone going apeshit.

Dude, no need to go all 818 on me.
by davidb July 21, 2006

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