So we have these magical toilets at work that flush when you get up, I'm sure you've seen them before. Anyway, there is one in particular that every time I go to drop the kids off at the pool, when I lean over to clean my backside it flushes. This forces me to do this kinda crazy dance to avoid a back spray of urine and fecal matter all over my bottom. One would think I would learn and try and avoid this particular toilet but it has become a challenge for me.
I've also heard that almost every male American is familiar with the "Sloan Valve Company" from starring down at the tops of urinals their entire lives, while most women are completely unfamiliar with it.