(used as an enthusiastic expression of encouragement or approval to a boy, man, or male animal)
Word origin
[1905–10, Amer.; alleged to be a reduced form of that's a boy or that's the boy]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: airway, aspect ratio, jazz, push-up, white list
Examples of 'attaboy' in a sentence
attaboy
People are angry and the über-rich, noticing this, are seeing pitchforks replacing attaboy plaudits.