J4Kd - [jak'd] adj. 1) Very stimulated or excited. 2) Broken or ruined, not working properly or as intended, cut or lacerated by means of a makeshift knife or blade, in generally poor or injured condition. 3) Stolen in a violent fashion. 4) Well muscled, iron-bound, pumped. 5) Improper. 6) Increased, raised, accelerated. 7) Designed for the insertion of a plug.