A few days ago me and the missus went to the local theatre to see No Country for Old Men (great movie except for a disappointing ending). I went to the mens' room before the show. There were 3 urinals but one was at child level.
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The one on the far right is occupied. Let's call him knapple.
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Question: Do I use the kids' urinal or do I use the middle one and pee beside the dude?
First thing I'd do is inquire about why he has on women's footwear, and by the time he was done explaining, he'd probably be done and zipped, and I could have the center stall to myself, screwing anybody who tried to come in and relieve themselves behind me.
OK, for everyone advocating the stall - if you're "shy" enough to not want to go in the kid's urinal, why would you be OK with the noise of the stall? It's far more noticeable to go there because it's so loud.
Use the kids urinal. Only use the stall if you have to sit...and if you have to sit at a movie theater it had better be a photo finish. Otherwise if the kids bidet was in use, leaving only the center one free, or if the center one was in use, buy some time by checking out your hair in the mirror, splashing your face with cold water etc until a urinal with nobody directly to either side is open