It's the golden rule of texting: never, ever send the wrong message to the wrong person.
A university student who thought he'd secured a night of passion with a girl he fancied was left red-faced after he sent her an incredibly unfortunate message.
It started out nicely enough, with the student asking her what she was up to, reports news.com.au.
Other than the fact that he greeted her with "Ayeee", which should have been an immediate red flag, this isn't too bad.
But, uh, here's the full conversation: