Correct

笑掉大牙

/ xiào diào dà yá /
Strokes

Definition

to laugh one's head off/ridiculous/jaw-dropping

Example

Definition

(of a person) burst out laughing over the absurdity, ludicrousness of something; make one split one's sides with laughter; enough to make a cat laugh

1
Zhè
shì
yàoshi
要是
chuán
chū
出去
  
,
kěndìng
肯定
huì
ràng
rén
xiàodiào
笑掉
大牙
  

If the story breaks, it will make people split their sides with laughter.

2
Ràng
rén
xiàodiào
笑掉
大牙
de
jiàn
建议

laughable suggestion