- BO
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1. n. (bad) body odor. (Initialism.)□ Man, do you have BO!□ Now here is a product that will end your worries about BO.2. n. box office, where tickets to some event are sold.□ The show was a big hit at the BO.□ If you want your money back, you’ll have to go to the BO.3. AND BO n. HBO, Home Box Office, the cable television channel. (Initialism and dysphemism.)□ Is there a good movie on BO tonight?□ There is boxing on BO but no movie.
Dictionary of American slang and colloquial expressions. 2015.