OBオービーoobiiOBOBShow answer(Space)Suspend(@)OBOBoobiiNoun (common)Noun (common) (futsuumeishi)Noun (common)old boy; alumnus; OBRelated:オールドボーイout-of-boundsOBOBoobiiold boy; alumnus; OBWhat does OB mean in English?old boy; alumnus; OB(n)out-of-bounds(n)Search the picture dictionary for OB