OGFreq.FrequencyTop 20,000じ字FuriganaAudioMeanings1nounalumna; former female student; old girlUsed for female graduates of a school, university, or organization; the female counterpart of OB (old boy). Common in alumni contexts.See also: OB彼かの女じょはこの大だい学がくのOGです。Break this sentence down in the analyzerShe is an alumna of this university.OG会かいに参さん加かする予よ定ていです。Break this sentence down in the analyzerI plan to attend the alumnae reunion.2nounoffice girl; female office workerRefers to a young female employee doing clerical or assistant work; somewhat dated, often associated with the Showa era. Modern usage is less common.昭しょう和わの時じ代だい、多おおくの女じょ性せいがOGとして働はたらいていた。Break this sentence down in the analyzerIn the Showa era, many women worked as office girls.See all 6 example sentences ›