Seeing all of the comments relating to that account, it appears that yes, that tweet was
tweeted out and then deleted.
https://twitter.com/Timothy29690149
If you twat and then delete all of your tweets
it will come back as "Hasn't tweeted yet"
When I knew I had to become a twatterfag,
My first tweet I had to delete because I "not being a twatterfag, did not put the # in"
My account then said " hasn't tweeted yet" to others who followed me.
One of the comments to this story