What does Age the Cheese mean?

Age the Cheese meaning in Urban Dictionary

When a uncircumcised male partner allows smegma (mozzarella cheese) to develop in the foreskin and presses or docks his foreskin to a partners rectum for them to show flatulence (fart), inflating the foreskin and combining the flatus with all the smegma. The mixture of gasses and smegma produces a stench and alters the smegma in a way the resembles aged mozzarella cheese - based on people who taste it a short while later.