When you loosen the lid of a carbonated drink, hold it on the top of the bottle whilst shaking it vigorously, and then quickly shove it up their ass so the lid explodes off and a combination of froth and shit spills everywhere
My girlfriend pissed me off last night so as we finished doggy style, I snuck a Fizzy Guinness up her ass
by Electric jacko May 31, 2018

by Fred Waldron March 18, 2019

by Calera Middle May 22, 2018

This act is usually performed by a single female participant and several male participants(preferably Irish or of Irish dependency) It involves the placing of excrement (either directly or indirectly) upon the woman's face and then ejaculation upon the excrement 'base coat'
by lostirishguy June 19, 2013

When you take a shit in the morning after a hard night of drinking guinness, and it's pitch black, that's the guinness baby.
by GuinnessLover March 16, 2009

Bob: Steve almost set a Guinness World Record last night at the pub.
Paul: For his really long fingernails?
Bob: No, he just drank shitloads of Guinness.
Paul: For his really long fingernails?
Bob: No, he just drank shitloads of Guinness.
by Pistol Pete Maravich July 9, 2011

by Lil Slugga February 21, 2011
