"...You dont have to be lonely at prison is for u dot com ..."
The post is spoofing the "Farmers Only dot com" jingle that is on all their commercials.
What does this post mean?
I believe it's making fun of the farmersonly.com jingle that is all over TV, "You don't have to be lonely, at farmers-only-dot-com!"
"...FarmersOnly.com jingle..."