Top Definition
Origin: Unknown.
Date: Sometime in the early 21st century.
Alias: Geekisen.
Prononciation: Gay-Kee-Sen.
1: A large gathering of young, insecure males where anal sex is often practised upon one another. Rarely will females attend.
2: Comparsition of penis sizes.
3: A male organ.
4: Location where extremely arousing internet URLs are exchanged.
1: "Jesus Christ! They are having a rousing gekisen downtown, I must attend!".
2: "Let us do a gekisen to see who here has the largest penis."
3: "My gekisen is larger than yours Willis."

Rick: "My Word! Where did you get those erotic internet links from?"
Mick: "I attended a gekisen, there were many arousing links to hot internet websites."
by The Sender September 24, 2005

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