Davidson often sees "lol" used in conjunction with self-deprecating humor, or to poke fun at someone in a bad situation, like "if someone says they're stuck on the subway, and you text back 'lol ...

But the unofficial face of IJBOL, according to Twitter, is Vice President Kamala Harris. Ms. Harris has a reputation for chuckling unprompted, injecting levity or nervousness into any situation.

The cool kids at Facebook Inc. are telling e-laughers everywhere that “haha” and emoji are in, and “lol” is out. ‘Haha’ and emoji are in, and ‘lol’ is out. Skip to Main Content.