Definitions by #1 Shaker

Shaker Showdown 

A competition amongst of a group males where one male announces "Shaker Showdown!" and all other males begin to masturbate ferociously. The winner of the showdown is whoever ejaculates the fastest.

Sitting around the dinner table: "Alright boys, Shaker Showdown!!"

Shaker Showdown by #1 Shaker April 5, 2008