A moment in any relationship where awkwardness is clearly present.
You can clearly see the awkwardness in conversations such as this below.
Guy: ._. I have no idea what to say.. We haven't broken the awkward barrier yet. And I'm totally gonna define "awkward barrier" right now :]
Girl: Awesome. Do it.
Guy: I will.
Girl: Awesome. Lmao
Guy: It's awesome how you use the word "awesome" a lot..