A woman has got a horror goodbye from Dublin Airport after being served one of the most disgraceful pints known to man.
One of the airport's bars may want to take a long hard look at themselves after this monstrosity was put before a customer.
We're used to seeing the nation's beloved stout being botched abroad - but seeing this on home soil has us calling for a full investigation.
Kelly J uploaded the photo saying "Err Dublin Airport, sort it out."
The picture shows a pint of plain with a criminally huge head.
It's not known if Airport Police got involved.
How to pour a pint of Guinness
First things first, make sure you're using the right glass!
After that you've got to get a good 45 degree angle.
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Pull the tap back the whole way and fill up 4/5ths of the pint.
Then you've to let it sit for two minutes - this is crucial.
After 120 seconds fill the rest up by pushing the tap forward - draw circles on the pint to evenly spread.