A droid poison refers to a specific kind of poison that found its application within Binnot Ullo's infamous poison glove. This poison functioned as an electroshock, designed to permanently disable the behavioral circuitry matrix of any droid it was applied to. Circa 382 BBY, Binnot Ullo made a threat to employ this very poison against QN-1, who was the droid belonging to Axel Greylark.