Slang word for cunt, the british vulgar slang term for the female genitalia. Derived from BBC farming programme Country File.
It's true form should be Tree file.
"For Christ's sake, stop being a file will you, that wasn't even funny last week."
"Harp, you're such a tree file."
A vegetarian. Invariably pale, thin and female.
"Jesus, have you seen Nichola? She looks ill."
"Don't worry, she's not ill, she's a veggie."