| whoop(verb, happiness, roar, scream, snicker) |
| with sound be in stitches(verb, expression, idiom, happiness, roar) |
| burst(verb, happiness, roar, scream, snicker) |
| crease up(expression, snicker, chuckle, giggle) |
| double up(expression, snicker, chuckle, giggle) |
| expressing amusement(verb, expression, happiness, roar, scream) |
| fall about(expression, snicker, chuckle, giggle) |
| fall down laughing(expression, idiom, snicker, chuckle, giggle) |
| fracture(verb, happiness, roar, scream, snicker) |
| fractured(verb, happiness, roar, scream, laugh) |
| fracturing(verb, happiness, roar, scream, laugh) |
| guffawing(verb, happiness, roar, laugh) |
| have hysterics(expression, snicker, chuckle, giggle) |
| heehaw(verb, laughter, sounds) |
| hoot(snicker, chuckle, giggle) |
| snigger(snicker, chuckle, giggle) |
| totally break up(expression, idiom) |