Mister Man
Used to address a male, especially one whose name is not known to the speakerUsed to address a male, especially one whose name is not known to the speaker.
» The vet's assistant called our dog "Mister Man".
Eccles17 · Tatoeba · CC BY 2.0 FRMeaning
1 senses(informal)Used to address a male, especially one whose name is not known to the speaker.
Examples
1 sentencesThe vet's assistant called our dog "Mister Man".
Origin
Apparently a combination of the vocative senses of mister + man.Apparently a combination of the vocative senses of mister + man.
Wiktionary, CC BY-SA 4.0 · source