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1.
Your dick, ejaculating in a spray pattern or split stream.
I saw Yolanda the other day I told her to lick my kak fountain.
by Jake K. March 20, 2007
 
2.
A penis, specifically when it shoots large amounts of semen in a single or biforcated pattern.
I saw Ashley the other day and she was ovulating so I let her lick my kak fountain.
by Jacob King April 23, 2007