When someone with a big ass gets in a pool or body of water and creates a wave that splashes over the side of the walls of said body of water.
I'm sittin by the pool on Saturday when this girl with a huge ass goes in the water and creates this assnami wave that splashes over the side of the pool and got my towell all wet. I hate it when that happens!
A NOVA (No Obvious Value Added) is a person who in any social event adds no value to any conversation or activity. They are boring, dull and no fun to have around. There is also such a thing as a Super NOVA.
Man why did you invite Susie to the Super Bowl party, she's such a NOVA (No Obvious Value Added). She just sat there and said nothing with that blank look on her face see whole time. Also see Super Nova