The virgin thing is in fact a kind of insider's joke - like Buad's Tea, for example.
I don't remember how it really evolved - it's been so long ago.
And I don't really know what it means ... I fear any sign of Meaning got lost in the course of time (if there had EVER been any ... <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" /> ) .
We in the german part of the Larian Forum have several of such insider jokes - for example Dragons which like cookies. <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />
(Alix is known for baking cookies ! <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" /> )