Quincunx. And since it’s an arrangement of five things in a cross pattern, if it were made up of a certain fruit it could be a kumquat quincunx.
If you are a good harmonica player you may be able to “Blow a bent D.”
Not to mention Spontaneous Emission
From the world of physics we also have
Degenerate Perturbation Theory
And, as one professor pointed out, you don’t even need a perverted mind to think that some atomic orbitals look obscene: