/mæn∙dʒaɪ∙nə/
noun (lewd)
portmanteau of man + vagina; circa late 1990s
A derogatory term applied to the anus of the partner penetrated during male homosexual coitus. Almost exclusively used by heterosexual men for comic effect.
Bob expertly slipped his massive blue-veined cock into Bill's crusty old mangina.
That part of a man's paunch that sags down and folds down the middle slightly, obscuring the genitalia from view and creating the illusion of a big fat vagina.
"That guy's got a mangina on him like your mother!"