BO
Meaning of BO in English
/ ˌbiː ˈəʊ; NAmE ˈoʊ/ noun
[ U ] an unpleasant smell from a person's body, especially of sweat (the abbreviation for 'body odour') :
She's got BO.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005