Vakko spoils the joke with a real answer - II
Q. Who was the first person to look at a cow and say, "I think I'll squeeze these dangly things here, and drink whatever comes out?"
A: Og Vorbis, maniac caveman. No, not really. It's not a big leap to see animals, including humans, nursing their young and figuring that it might be worthwhile to try to get sustenance from an animal without having to slaughter it first.
Q. Who was the first person to say, "See that chicken there... I'm gonna eat the next thing that drops outta its bottom."
A: Og Theora, maniac cavewoman. No, not really. But someone, probably many someones, likely saw animal predation of nests and figured out that eggs were edible.