My initial reaction is to chuckle at the word 'dong', and when I hear 'dildo' I think of sex toys. The word dildo does also remind me of 3rd grade too. Someone learned the word one day, and for a month everyone called each other a dildo
In this day and age, it seems to me that most people use the word dildo. This also makes me think that a very poor choice for marketing, would be to make the best sex toy the world has ever seen, and call it 'The Glass Weiner'.
But, to be fair here, I decide to conduct a scientific experiment. I did a product search of the word 'dong' on EF and there were 421 products containing the word ‘dong’ in the title. I then did the same search using the word ‘dildo’ and got a return of 1,232 items. I must admit, this is a bit surprising. I did not expect ‘dong’ to be used that much.
In closing here is my new theory. It just might be possible that ‘dong’ is a superior term, but since most of do not have a beta-max player, we are unaware of how much better the picture quality really is.