A colleague emailed me the bra one a few years ago. Luckily, I know about Snopes!
Once you know that it's not real and can look at it a detached way, it's not that likely, is it? After all, if that was going on, it would look a bit more...sore/red/inflamed, wouldn't it?
(Carefully avoiding describing anything much in order to protect the squeamish who haven't clicked on it
)