the bomb + -ass.
bomb-ass (comparative more bomb-ass, superlative most bomb-ass)
- (slang, chiefly African American Vernacular) Excellent; great; very successful.
- 2007, Stacey L. Ford, Selling the Fantasy
- “And you know that's right, but I still have to represent myself as the bomb-ass babe that I am,” I said as I joined in with her laughter.