"me: cleavage –... this thing between the breasts... has no analogues in Russian?
There is a clutter.
I am oh. You are a superstar"
And if it does not penetrate, it can be called a decolte.
Something sorry? You still call your ass cowards (and chao, like next to it). Decolte is a type of cutting the neck of women's clothes, and specifically - a very deep cutting. The word cleavage in the meaning discussed above is translated as "bust lobby".