Also found in: Idioms.


interj. Informal
Used to show encouragement or approval to a boy or man: Attaboy! That's the way to hit a home run!

[Alteration of That's the boy!]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


sentence substitute
slang chiefly US an expression of approval or exhortation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæt əˌbɔɪ)

interj. Informal.
(used as an expression of encouragement or approval to a boy, man, or male animal.)
[1905–10, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


[ˈætəˌbɔɪ] EXCL (esp US) → ¡bravo!, ¡dale!
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


interj (esp US inf) → gut gemacht!
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
"There's just a feeling that he gave me, an encouraging attaboy thing that shapes you in really profound ways," Stewart said in the interview.
Sometimes people are down on the police officers and firemen, and you want to give them an 'attaboy.'"
Florence is at the helm of Attaboy New York, a hot spot known for its limited seating that causes guests to queue for up to five hours.
What started as an individual "attaboy" then deepened.
(Among the most simple and effective: "Establish a regular bedtime and wake-up time, even on weekends.") And he offers attaboy praise to companies that have evolved out of the machismo-infused all-nighter ethos of yore and into a more enlightened approach to employee wellness.
An "attaboy" oran "attagirl" can have lasting impact.
I thought I was going to get an attaboy for taking initiative and finding my way home after getting lost.
These "smart hug garments" can also provide others with "attaboy" hugs based on signals that monitor stress levels; and who doesn't need one (or two) of those in the course of the day.
One hearty attaboy and a high five to Garmin; I hope other vendors follow suit to help us manage what's been the spiraling cost of data.
After reading it, bosses might be more apt to pat employees on the back and give an "attaboy" for work well done.
Deals, Wheels And Steals was made by production company Attaboy for ITV 1.