2. something totally clear
Marie "Is it really that obvious that I like him?"
Friend "You scribbled 'I LOVE MIKE' on your entire notebook... so I'd say, yeah, it's pretty obvious!"
(lat: "Ob vio": in front of eyes")
A situation so clearly, that you can see it in front of your eyes.
- Oh, my god, that guy is wearing a long night dress!
Is he gay, or something?...
- Well, d'oh! It's so OBVIOUS...