You’re likely to find this offensive, but the first joke in this set is wonderful (possibly NSFW).
But, the amazing thing is that you have to know about half-a-dozen scientific, philosophical, and cultural references in order to get it all.
Honestly, I laughed very hard when I saw this the first time. The thing is, I only caught some of the nuances.
And then laughed even harder about 5 minutes later when I got another reference that I’d missed the first time.
And then 10 minutes after that I realized I was being heteronormative, and picked up on an additional reference (which probably would be humorous if I’d noticed it first, but noticing it last, I was laughed out).
Via Newmark’s Door (who liked the second one best).