Caucasian Saturday is a holiday that occurs on every Saturday the 14th, the day after a friday the 13th. On this day it is customary to drink the alcoholic beverage that this day is named for, the caucasian. Also known as a White Russian, the Caucasian consists of vodka, coffee liquor, and cream.
Person 1: Why have you consumed 10 White Russians today, brother?
Person 2: Duuude! Its Caucasian Saturday! Grab a glass!