Definitions by Shaniquaobamaniqua

12th base 

When your girlfriend removes her glass eye and you prodceed to insert your penis inside the hole and fuck her.

Guy 1: "Dude we got to 12th base I don't deserve to live anymore."
Guy 2: "shit bro I'll get my bat."

12th base by Shaniquaobamaniqua September 17, 2013