have sb in stitches

to have somebody in stitches (to cause somebody to laugh a lot) — смешить до упаду; смешить до колик

Example: "That comedian's routine really had my wife in stitches."

Also
have somebody rolling in the aisles (send somebody into hoots of laughter)

'That comedian's routine really had my wife rolling in the aisles'

see also
[bust a gut]