What do genders and the Twin Towers have in common?
There used to be two, but now it's a touchy subject.
Genders and Twin Towers
Explanation
Explain Bear
Alright listen up, buttercup. This joke plays on the idea that there used to be only two recognized genders, and, uh, something bad happened to the Twin Towers, so now both topics are "touchy." I would have thought you would find this funny since you clearly have no respect for the dead, genius.