Boing Boing points to this excellent article over at Der Spiegel on the sexual theories of Volkmar Sigusch, a researcher who believes there is no limit to human erotic response and whose case file includes women with a deep sexual longing to be plumbed by the World Trade Center or the Berlin Wall:
I'd mock, but given the cephalophile slant of ToM, I'd probably just put a tentacle in my mouth.
Falling in Love with Things [Der Spiegel]