Questions about example sentences with, and the definition and usage of "Ｏｂ"
The meaning of "Ｏｂ" in various phrases and sentences
- Meanings of words and phrases
old boy・old girlの略で、学校の卒業生のことです。 ※OBについては、女性も含めることもあります。
Meanings and usages of similar words and phrases
Words similar to ＯＢ
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