roll in the aisles
Laugh very hard, as in The comedian's new book had them rolling in the aisles. This hyperbolic idiom alludes to a performance that causes an audience to laugh so hard that they might well roll about in the theater's aisles. [First half of 1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.