slugger /ˈslʌɡɚ/noun 3forms 1phrases 1 noun3 •A boxer who tends to deliver hard punches. •A batter who has a high percentage of extra base hits.That will bring up the slugger, Jones. •(informal) Buddy, dude, champ.Good to see you, slugger! formssluggers Phrases with slugger circuit sluggerA talented baseball batter who hits home runs.