GR translation: Her suave metal husband

[Mike Jing]

V716.15-20, P730.28-34   Frau Utgarthaloki jumps to her feet, upsetting a
platter of stuffed sores—beg pardon, no they’re deviled eggs—and runs from
the room, sobbing tragically. Her suave metal husband also rises and
follows, casting back at the troublemakers virile stares that promise
certain death. A discreet smell of vomit has begun to rise through the
hanging tablecloth. Nervous laughter has long embrittled to badmouth
whispering.

What does "metal" refer to here?
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