Merge from vendor branch TNF:

Merge from vendor branch TNF:
Import sex-1.0, courtesy of jfranz@bsdprojects.net (from pkgsrc-wip).

Blurb:

Here is yet another program for spouting silly, random phrases.  It mimics
awful text porn; more importantly, it's a classic!

The output of this program is of a [vaguely] sexually explicit nature.