Nope, we don't.
Generally we have no wish to find out (i'm sure there are some s&m types who enjoy a good speculuming).
( Anthropos Was making beer on, Mon 25 May 2009, 16:38, archived)

Those filthy brutes just love to be swabbed.

( TFD is sporting this season's finest necropants, Mon 25 May 2009, 16:40, archived)

I'm sure they do.
If something exists, someone somewhere will get off on it!
( Anthropos Was making beer on, Mon 25 May 2009, 16:43, archived)