Alfie Loft's solicitor said he was trying to encourage the dog to walk by pulling on its lead when it lifted in to the air for the first time.
The people he was with began laughing at the incident and that has almost egged him on.
He knows that was wrong. He doesn't remember much of what happened. He's disgusted at himself, they were his own words to me. He feels humiliated that this incident has occurred. He has also said he would like to write a letter to apologise to the owner of the dog to show that he is truly sorry. He does love dogs himself, although he doesn't own any himself.
19-year-old Alfie Loft says he is 'sickened' by what he did, adding: "I don't know what my mum is going to say."
The Chihauhau's owner had no idea what happened until the video was posted on Facebook.