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cusp |kʌsp|noun1 a pointed end where two curves meet, in particular;• Architecture a projecting point between small arcs in Gothic tracery.• a cone-shaped prominence on the surface of a tooth, esp. of a molar or premolar.• Anatomy a pocket or fold in the wall of the heart or a major blood vessel that fills and distends if the blood flows backward, so forming part of a valve.• Mathematics a point at which the direction of a curve is abruptly reversed.• each of the pointed ends of a crescent, esp. of the moon.• figurative a point between two different situations or states, when a person or thing is poised between the two or just about to move from one to the other.
I'd say this is all about right, right about now.