Perhaps the fish is such a flexible metaphor because the general shape of its body is phallic, while its open mouth suggests the vagina.
The fish is a flexible metaphor.
The fish is a rigid metaphor.
The Postal Service is a monopoly in its industry.
That was one, I suppose.
Santa sitting while playing guitar.
A woman dressed in an odd dress reads aloud to her audience
The tomb has not been spoiled in comparison.
That's about fifteen minutes.