The cheese that is formed after a Frenchman has his way with a cheese of any origin (usually a smelly, expensive cheese). The cheese boasts many holes... it should be obvious why.
"Dude, Christophe took my block of cheddar, now i've just got a wheel of swiss cheese!!!"
Semen. Purely and simply, semen.
"Yea, i sucked him off and drank his hard lemonade."