ASBO /ˈæzbəʊ/noun 2verb 1forms 5 noun2 •(UK) Anti-Social Behaviour Order. •(UK, informal) One who has been issued with the above legal order. verb1 •(UK) To issue an Anti-Social Behaviour Order to (someone).Yes he will probably end up in the criminal justice system in a few years time - but if we ASBO him now he's going to end up there an awful lot quicker because he will breach it. — 2005 formsASBOed · ASBOing · ASBOs · Asbos · asbos