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When someone is mostly in good shape but has a pot belly. Named for the tendency of residents of Portland, OR to have lifestyles including both physical activity and epicureanism.
Every day Bill rides 30 miles on his bike, does 100 pushups, and then puts back 3 microbrews with dinner, he's pretty Portland Fit.

"No honey, you're not fat, you're Portland Fit"
by mayhem consultant December 10, 2013