Synonyms of fall about laughing in English:

fall about laughing


See definition of laugh

phrase

1‘I didn't know whether to get angry or fall about laughing’

SYNONYMS
guffaw, chuckle, chortle, cackle, howl, roar, ha-ha, fall about, hoot with laughter, roar with laughter, shake with laughter, be convulsed with laughter, dissolve into laughter, split one's sides, be doubled up
informal be in stitches, die laughing, be rolling in the aisles, laugh like a drain, bust a gut, break up, be creased up, crease up, crack up