The accumulation of bacteria underneath the foreskin (see 'smegma') of a male human or ape, often appearing cheese-like in both smell and taste.
Boyfriend: do you want anything from the supermarket?
Girlfriend: yes, get me some cheese.
Boyfriend: ok cheese it is.
Girlfriend: wait no.. i can still taste your bell-cheddar in my fucking mouth. forget it!
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi