A person who drives abnormally close to the curb.
Generally the elderly.
Bill - Slow down, It looks like that cars gonna park.
Ted - Nah, It's just a gutter runner.
6👍 3👎
Somebody who runs John Gutter within Pizza Tower.
"Oh, you run John Gutter. You Gutter Runner. You're never beating that 1:23."
"I Will!"
They never did.