Mascmailman! / Masculinemailman!
A gender related to being masc(uline) and a mailman; a gender related to masc(uline) mailmans, etc; a masc(uline)mailman
Coined by me. Requested by no one. Tagging @hypnosiacon
Archive of Flag: https://archive.md/wv8hk, https://archive.md/V9sGG