Seeing as the actor was knocking about the capital, he said he'd call out to Phoenix Park and pay our pint-sized president a little visit.
Exemplary people are always welcome in Áras an Uachtaráin, but this trip was a bit different, due to unforeseen circumstances .
Michael D has eaten something dodgy so his stomach is experiencing bowel gymnastics that could be ready for the big finish at any time.
Then when you add Sabina, and Liam's 'survival of the fittest' instinct into the mix - all hell breaks loose. A blockbuster in itself...
You can listen to the full interview by clicking 'play' in the headline image above.
For more Gift grub, tune into The Ian Dempsey Breakfast Show every weekday morning from 7am