English

Definition of main man noun from the Oxford Advanced Learner's Dictionary

 

main man

 noun
noun
BrE
 
; NAmE
 
[singular] (informal) Friends
 
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a man who is important to you because he is a trusted friend or employee Of course I trust you—you’re my main man! The manager said I was going to be his main man in midfield. See related entries: Friends
See the Oxford Advanced American Dictionary entry: main man