What is a king kong dong in gay porn?

A super sized penis, when erect. Used in reference to a penis that enormous in both girth and length.

Definition

A super sized penis, when erect. Used in reference to a penis that enormous in both girth and length.

Noteworthy: Size is everything, so many claim. Big Cocks are the desire of many Size Queens, even though the average penis size is about 6 inches.