IC

Meaning "Internal Chuckle". Used for instances were you don't want to say "lol" because it sounds dumb and you really did not laugh out loud. Rather, you gave a little internal chuckle.

Friend: "OMG, I spilt some milk on my floor."
You: "ic, that sucks"

Acquaintance: "Why did you only write "ic" on that video I posted on your wall?"
You: "Because a cat who like to sit in a sink did not make me laugh out loud. I only gave an internal chuckle."

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