2 definitions by root_raven and friends (billy idol)

torbacula

A hideously repulsive female homo sapien that sexually seduces and prays upon the unwitting male populance.

Dude! That chick is soooooo Torbacula, what were you thinking?

The innate nature of a song or group of songs that enables itself to be easily sung along with.

Operation Ivy's reptoire of songs possesses a singalonabillity that is unrivaled in contemporary punk rock.