2. Something that qualifies as awesome.
3. With sarcastic use, means that something is not awesome at all. A lower and calmer tone of voice is used, and is generally followed by derogatory physical action such as a shrug or eye rolling.
Me: "I found 50 bucks on the street! Let's go get wasted!!"
You: "I'm so happy to be going with my family on vacation, where I can't party..."
Me: "Awesomeness..." *rolleyes*
It means something beyond awesome, or describing an event that was and/or is awesome.
Me : Yesterday, I had a dream that Beyonce, Rihanna, and Leona Lewis had a crazy threesome!