Also found in: Acronyms.
1. interjection, informal Used to express excitement or enthusiasm. Oh man, the first Indiana Jones is such a great movie! A: "I can't believe we go to Paris in less than a week!" B: "Oh man, I can't wait—it's going to be such an amazing trip!"
2. interjection, informal Used to express disappointment, frustration, or overwhelm. Oh man, Mom is going to have a fit when she sees all this mud on the carpet. Oh man, I only got a C on that test? I studied so hard too!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.