It is also a metaphor for sex and never more delightfully so than in the fowl-eating scene in Tony Richardson's movie of Tom Jones . There is, however, only one place I can think of where the equation is reversed so that sex is a metaphor for food.
There is a delightful metaphor for sex in the fowl-eating scene in a movie about Tom Jones. 
There is a metaphor for death in the book about Lucy Smith. 