so I was watching a Cary Elwes interview online promoting his new book about the Princess Bride and he brought up a pretty hilarious Andre story. On the first day of shooting, first scene shot in the movie, right after Rob Reiner yells action, Andre farts so loud that it reverberates across the set. Everyone starts howling with laughter. Elwes cannot keep it together the rest of the scene and had to momentarily collect himself. After proding from Elwes, Andre simply states "Yeah that was a good one".
oh here it is: