at·ta·boy 
(ătə-boi′)
(ătə-boi′)interj.
Informal
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!.]
- recoiler
- recoilless
- re-collect
- recollect
- re-collect
- recollect
- recollection
- recollective
- re-collect (oneself)
- recollect (oneself)
- re-collect oneself
- recollect oneself
- recombinant
- recombinant DNA
- recombinase
- recombination
- recombine
- recommend
- recommendable
- recommendation
- recommendatory
- recommended daily allowance
- recommended dietary allowance
- recommender
- recommit