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The diarrhea and/or flatulence caused by drinking a lot of Guinness. It usually doesn't come into effect until the morning after.
'Jaysis man, my arse is in tatters after those Guinness shits. The smell is putrid man!'
by 1759 February 08, 2009
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2
When ya drink a pint of the beauty elixir and spend your next 2 years on the toilet
Person 1: Have you seen Tommy? Haven’t heard from him in ages
Person 2: Oh Tommy? Oh man, he’s got the Guinness shits
Person 1: oh fuck rip him then
via giphy
by Smartass Irish Bitch May 03, 2018
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