[NSFW] STP and Genitalia Question

So... to put this bluntly, if we're following the "loose lips sink ships" idiom, I could take out the fucking Armada single-handedly. That's the size of my labia minora. https://edc2.healthtap.com/ht-staging/user_answer/avatars/302591/large/open-uri20120715-17128-61anuc.jpeg?1386590886 NSFW link of genitalia that are similar in size to mine.

How the fuck do you keep yourself from getting wet while using an STP? I'm not talking leaks, either, but your actual genitalia getting piss all over them because they dangle into the cup.