Premier League officials have been under the spotlight over the last couple of weeks with Mark Clattenburg being accused of making derogatory comments towards Southampton's Adam Lallana and Howard Webb failing to award Manchester United a penalty against Tottenham.
However Mike Dean has gone one further by making a weird and hilarious head movement after a Swansea attack broke down after the experienced referee had allowed play to continue after Darren Fletcher committed a foul.
Manchester United then won the ball back which led to Dean appearing to shake his head in disgust.
You can watch the footage, which was brought to our attention by 101greatgoals.com, above.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms