1.A phrase condensed from "that a boy", that is said when one has done a good job on something. 2.A derogatory term used when describing a person who seeks. ABOUT US. . WE (BRIAN & CARLY) MET ON A BLIND DATE IN WE WENT TO A TRENDY RUM BAR. AFTER A FEW $12 DRINKS, FANCY INTERIORS, MEDIOCRE CONVERSATION. Attaboy cocktail. Attaboy. New York, USA. Nomad Bar. Nomad Bar. New York, USA American Bar cocktail. American Bar. London, UK. Carnaval Bar. Ata-Boy Inc. Tagline. Shop. Company. About Us. Disclaimer: my visit took place the night before Attaboy won "Best American Cocktail Bar" at Tales so I understand and accept that their main squad was in. Start your free trial today and get unlimited access to America's largest dictionary, with: alteration of that's the girl (after attaboy entry 1). This harmonica was made by Friedrich Hotz in Germany, undetermined date. It is an Atta Boy model in the key of C, with 10 single holes and 20 reeds. In winning the 43rd Ryder Cup, U.S. captain Steve Stricker properly unlocked all of the “Attaboy, Strick,” Xander Schauffele said. Translation for 'attaboy' in the free English-Czech dictionary and many other Czech "attaboy" translation into Czech 1. American English, colloquial. 'Atta boy. This Is the Rest. • Kevin tells Kate about the trouble he's having with his new director and that he really needs this.