Sort:  

Dioxide. O2. OO.

ThinkPoohGIF.gif

Forget about the guesses, I've been trying to post a gif here in the comment for the past 20 minutes. God help me. HOWW do I post a gif

Paste the URL of the GIF and it'll just work (like you would a YouTube video)

StewieGriffinGIF.gif

20B.gif