A woman in labor is in terrible pain and screaming profanity at her husband from her hospital bed.  "OWWWWWWW!  Fuck you, you motherfucker!!  You did this to me!!"

 
The husband calmly replies:  "Hey, don't blame me!  I wanted to stick it in your ass, but nooooooo, you said that might hurt!

I think this joke was going in a different direction.

It’s all about choices and what you ask for! Along those lines, the non abbreviated version of the #me2 movement reads “pound me too”. LOL!

What you just said and that pic of Rosie t
I must be slow

was originally known as a pound symbol, and of course "pound" is a term for fairly invigorating sex, which makes it a bit ironic that the #metoo movement chose it since the beef with many of these women is that there has been too much sex with them that has not been to their liking; to spell it all out.  To be fair to them, the # symbol is a necessity for conveying information using social media on platforms like Twitter, so it's not like they had any choice but to use it.

The Rosie the Riveter thing has me puzzled though.

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Labor has multiple meanings: (1) work, especially hard physical work. (2) Childbirth; the process of delivering a baby and the placenta, membranes, and umbilical cord from the uterus to the vagina to the outside world.

Subject line: "A woman in labor."  I thought (ok, I didn't really think that) it was going to be a joke about a woman in the labor (work) force. Rosie the Riveter was an iconic symbol of women getting out of the homemaker force and going to work at hard physical labor in factories at jobs vacated by the men who went to war during WWII.  
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From wikipedia: http://en.wikipedia.org/wiki/Rosie_the_Riveter  
"Rosie the Riveter was a cultural icon of World War II, representing the women who worked in factories and shipyards during World War II, many of whom produced munitions and war supplies.  These women sometimes took entirely new jobs replacing the male workers who joined the military. Rosie the Riveter is used as a symbol of American feminism and women's economic advantage. ..."

Jokes can be so complicated