"lol" has morphed into an onomatopoeia, sometimes expressed out loud as an interjection in the same way that "heh" or "ha" might, but with a touch of "I found t

"lol" has morphed into an onomatopoeia, sometimes expressed out loud as an interjection in the same way that "heh" or "ha" might, but with a touch of "I found that droll".