An expression of encouragement, support, or approval toward a woman, used as a standalone interjection before or after a sentence. It is a variation of the more common (but also potentially diminutive) "attagirl"; sometimes spelled "atta gal." A: "I was promoted to executive manager this morning." B: "Attagal! You're in the big leagues now!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.