Okay, so apparently foot-long hot dogs make Ned Flanders uncomfortable, but I want to know why.
Some people think it's a dirty joke (probably because the Simpsons is known for dirty jokes and the fact that some really dirty-minded people think anything longer than it is thick is phallic) but they don't specify what the dirty joke specifically is other than it might have something to do with penises. I must add that I have a harder time getting dirty jokes than most people, possibly due to being asexual (which is a sexual orientation that means you don't experience sexual attraction).
So, what I want to know is....
What is the dirty joke, if there is one at all?
Why exactly do foot-long hot dogs make Ned uncomfortable?