Street Fair - funnel cakes and sausage.
San Gennaro Festival - a street fair in Little Italy, nicknamed the "San Perpetuo Festival", that seemingly runs for about 8 and a half months each year. Allegedly the highest density of sausage and cannoli in the known universe for the month of September.
Holiday Markets at parks - Tibetan jackets, Himalayan salt.
artist markets,
Handmade events,
Brooklyn Flea - hipter-ey Pow Wow of semi-Capitalist maker-sellers (ie - creative survivalism.)
"Pop up shop" - Big boxes attempting to avoid bankruptcy by cashing in on a "street" trend.
"Trunk Show" - An artist (or collective) getting out of the apartment for the day: taking a break from Hulu.com by hanging out at a friend's store and drinking alcohol.