A variation of the slang "Attaboy" except instead of the boy, it is babe. All in all, attababe means that's a good babe. It is a patronizing word showing good work, perceived ownership, etc. Used among friends.
(After Don hits the homerun)
Dick: Attababe, Don, that's how we do it.
by dickwhitman August 29, 2009
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Also atta babe.
Portmanteau(ish) of "Thata babe!", which came from "Thata girl/boy!" which itself is probably an abbreviation of "That's a good girl/boy"!

Can be seen as patronizing by some, but is usually seen as an exclamation of encouragement and/or a compliment of one's behavior or achievement, offered either to one's significant-other or close (typically female but isn't necessarily gender specific) friend.
(After his girlfriend cracks open a long neck bottle with her teeth)
"Attababe!"
by hollynoel498 July 19, 2021
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