If people in an audience are rolling in the aisles, they are laughing a lot at something. They loved him — they were rolling in the aisles. Note: You can also say that you have an audience rolling in the aisles. It's all good knockabout stuff that has them rolling in the aisles. His shows still have them rolling in the aisles. Note: The aisles in a theatre or cinema are the gaps between the blocks of seats.