Robin Williams improvised this line about his wife farting in Good Will Hunting and the cameraman started laughing so hard, he starts to shake the camera. You can see this about about a minute into the clip.
"All Google Adsense revenue earned by this video will be donated by me to the 'Anxiety and Depression Association of America' (ADAA) for the fight against depression. So let's celebrate the life of the late, great Robin Williams with this review of a movie containing some of his best voice work as the beloved Genie. Jeremy reviews Disney's 'Aladdin!'"
In Light of Robin Williams' Passing, Here is a Message to the Depressed