Top Definition
When a young adult has sex, usually in porno's, with a mature woman (60+) and licks her vagina that hasn't been shaved nor cleaned. This creates a foaming substance, almost like cheese, where the young man takes it and shoves it into her anus, where the cheese like substance is used as a lubricant.
"Yo dude, Jack played with that grandma's fuck cheese last night. Eck!!"
by SexEd.com July 06, 2008

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