These stories are all bollocks.
The text was imported automatically from play.com
webcache.googleusercontent.com/search?q=cache:Bh90-B2MyxEJ:www.play.com/Gadgets/Gadgets/-/3403/2666/-/15110882/Inflatable-Gay-Best-Friend/Product.html
As you can see, same text, if you look under 'Key Features', that's the second part of the prose, and it cuts off at 'Hen par....'
Nobody at Tesco had a thing to do with it.
They weren't even selling it.
It's an innocuous £5 doll that some one on £6/hour working for play.com wrote a silly description for, and it got AUTOMATICALLY imported into Tesco's database.
You can still buy it here if you like.
www.freefalluk.com/inflatable-gay-best-friend-p-1574.html
This stuff was online for a year or more, and nobody raised an eyebrow.