IKR? SMH...

I can't remember what amusing incident sparked this.

Finn: LOL
Me: Do you know what that means?
Larkin: Laughing out loud! OMG!
Me: And that is...?
Finn [rolling on the floor and giggling]: Oh. My. God.
Me: I think you mean ROFL. Do you know that one?
Finn: ... ruffle your tail feathers?
Me: Yeah, pretty much.