oh man in English dictionary oh man Meanings and definitions of "oh man" Used to express anger or displeasure about something that happened. Used to express excitement or enthusiasm. interjection Used to express anger or displeasure about something that happened. interjection Used to express excitement or enthusiasm. more Grammar and declension of oh man oh man! more Sample sentences with "oh man" Declension Stem Match words all exact any Try again Available translations French Indonesian Japanese Vlaams Walloon Authors