I accidentally sent my friend flowers over the internet...

I accidentally sent my friend flowers over the internet...
Whoops, E-Daisies.

This is really groanworthy. I usually like puns, however this one is quite bad.

That being said, in some dialect of English (though I couldn't tell you what) 'whoops-a-daisy' is what you would say to acknowledge that you just made a mistake. This is a pun based on that term, and the accidental electronic daisies that the jokester sent.