Mrs Brown's Boys star Brendan O'Carroll revealed on Friday's Late Late Show that he thought he was "a goner" during a health scare earlier this week.
A tired and drawn-looking O'Carroll told host Ryan Tubridy that he was taken ill in the small hours in Glasgow, where he is filming the Mrs Brown's Boys Christmas specials.
"Monday... I got this bug," he said. "And it's really, really painful.
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"About two in the morning I had to wake Jenny [Gibney, wife and Mrs Brown's Boys co-star] up - imagine having to wake someone up when you're sick!
"No [laughing], she was awake, so I just went in and said, 'Listen, I think you should call an ambulance. I think I'm having a heart attack'."
Despite being in a very bad way at the time, O'Carroll's cardiac arrest fears were unfounded.
"It turned out I have - apparently it's going around - a very violent bug," he explained. "So all I can say is, as they said in Vietnam, 'Happiness is a dry fart!' And I'm feeling much better!"
"I got the fright of me life," he admitted, briefly leaving the joking aside.
"When I got in the ambulance they immediately did a heart scan and went, 'Well, it's not your heart'. And I went [makes vomiting sound], 'wurrggh' the minute he said it!"
"You vomited it all out," offered Tubridy helpfully.
"For about 12 hours," O'Carroll replied. "I couldn't have eaten in six months what I threw up! We were watching something on telly and Jenny said, 'Did Trump come up?' and I said, 'He did if I f***** ate him!'"
