loid noun 1verb 1forms 3 noun1 •A tool made from a piece of celluloid, used for bypassing locks. verb1 •To force (a door) open by slipping a credit card or similar thin object between the door and the frame.A deadbolt can't be loided because it doesn't have a curved, self-latching bolt. — 1983 formsloided · loiding · loids