However, most young netizens consider this emoji as "Laugh to tears" or simply "LOL", which means "Laugh out loud".

然而，大多数年轻网民认为这个表情符号是“笑到流泪”或只是“LOL”，意思是“大笑”。

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The OED defines LOL as an interjection "used chiefly in electronic communications… to draw attention to a joke or humorous statement, or to express amusement".

《牛津英语词典》将 LOL 定义为一个叹词，“主要用于电子通信……以引起对笑话和幽默语句的注意，或表示可笑”。

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The original use was typed by Wayne Pearson, in Calgary, who says he wrote the first ever LOL in reply to a gag by someone called "Sprout".

最初的用法是加拿大卡尔加里的 Wayne Pearson 输入的，他说他在回复一个名叫 “Sprout” 的笑话时第一次写下了 LOL。

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When the worm infects a computer it sends out the "lol" message to the user's contact list.

BBC: Skype targeted by 'worm' malware infecting Windows PCs

This Cooler Master deal with Curse Gaming is just one of many new entries to the LoL eSports scene expected this year.

FORBES: Cooler Master Enters ESports Through League Of Legends Team Curse Sponsorship

Personally, I believe DotA 2 to be a richer game on the competitive level, but LoL is certainly more forgiving and easier to get into on the casual level.

FORBES: Further Thoughts on Starcraft 2 and League of Legends