fall about with laughter

fall about with laughter

To be consumed by uncontrollable laughter. Primarily heard in UK. We all fell about with laughter when the professor accidentally swore during his lecture. My brother-in-law's wicked sense of humor has us falling about with laughter every time we hang out with him.See also: fall, laughter

fall about (laughing/with laughter)

(British English, informal) laugh a lot: When he watches Charlie Chaplin films, he falls about laughing. I don’t find them funny at all!See also: fall