What does knob cheese mean in gay sex?

What is knob cheese?

The fluid that is secreted under the foreskin of the penis.

Definition

The fluid that is secreted under the foreskin of the penis. Usually found from those who don't clean their penis properly.

Noteworthy: Generally a foul smelling secretion, that is considered unpleasant. Not necessarily a compliment, about the person who has knob cheese. Referred to as 'cheese' due to its color, and texture, as well as it's odor.