The viscosity of male genitalia when rubbed furiously over a given surface, such as Bombur's beard.
1. Day Day's genitals, when rubbed on anything will create a pitch so low that God will come smite him for being gay.
2. The sackatography of Bombur's beard, if lit on fire with a butane lighter and mixed with Dax's nuts will cause massive Ozone burning. Winter will be a thing of the past.