Like Coleridge I'm trying to remember where this phrase came from...a dream?...from a book?...on this board? To wit...

Almost everything in nature is either concave or convex, apply Freud at will if you must appease your wanton lust.

(uh I might have embellished it a bit)

Kubla Kahn- a 54 line poem of sexual allusions to certain aspects of the female anatomy ? Come on, Coleridge was good, but not that good.