Definitions

1. noun

an expression of approval or admiration, especially one given to a man for something he has done, such as a job well done.

“The coach gave his player a hearty ‘attaboy’ for scoring the winning goal.”

2. interjection

an expression of approval or admiration.

“That’s an attaboy for a job well done!”

3. phrase

an expression of approval or admiration.

“Give that kid an attaboy for his bravery!”