Lucky I remembered language on Leyte was "Visayan". Using that, I found a site:
2.The Cebuano Tuba
... guides us to the old Visayan culture of drink. The early Visayans knew five basic
kinds of alcoholic drinks. The most popular was tuba, the fermented sap of ...
http://www.esprint.com.ph/pointcebu/culture/drink1.htm
More Results From: www.esprint.com.ph
I haven't looked at it, but I bet it will not say fermentation was allegedly induced by urinating into juice.
That may have been a ploy to keep us from drinking it. It sure deterred me.
Postscript: Dear WW; in answer to your PM about interdict, I am reminded of a post quite a while ago that you may have missed, and might amuse others who have joined recently:
1.Hugh Gallagher's 'College Essay'
... with my sensuous and godlike trombone playing, I can pilot bicycles ... my yard. I enjoy
urban hang gliding. ...
http://public.logica.com/~stepneys/joke/essay.htm 
