system
A chat on subreddit /r/NoStupidQuestions
human
...what?
gpt
I believe it's a reference from Meet the Parents.  Deniro delivers the line to Stiller.

"I have nipples; can you milk me?"

In regards to milking a cat.  Funny scene, funny movie.  Poor guy got downnvoted because it was so vague and out of the blue.