GDMFer 

Acronym for: God-Damn-Mother-Fucker

I hate that guy. He's such a GDMFer!

GDMFer by Ian Ward October 2, 2004

Gumfers

A pair of gumboots that have been cut down to ankle height, giving them the appearance of loafers.

It was too hot for gumboots, so Mike (Undies) cut them down into gumfers and wore them on the tractor all summer.

Gumfers by gravelroad January 18, 2026