Matt said: "There was a pile of drinking going on. That's The Pogues - drinking.
"Even if I'd wanted to catch up, I couldn't because they were so out there.
"Shane was pretty liquored-up, so when I was holding his arm, he could have gone down the stairs."
Shane - who turned 55 Christmas Day, admitted the policemen were not impressed at his drunkenness while filming the video in their station in 1987.
He said: "We nearly all got arrested because we did the jail scenes in the nick and we were all really p****d."
The festive classic also features the late singer Kirsty MacColl and was the most played Christmas song on UK radio in 2012.