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now, "gumband" is not in the list, so I'm still on my quest to figure out where I got this from besides the obvious "your dad". gumband = rubber band.
UPDATE: My buddy says, "gumwhatever. if you don't chew it, it ain't a gumband."
And as proof to my friends here in California that I am not insane, Dr. M says in a comment to Mel's post: "A rubber band in Pittsburgh is a gumband."
Then again, I favorite'd this photo of gumband cars.
Courtesy of the fine talents of fellow freeper and gumband-lister DollyCali!