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2.
Someone who lives in the Downtown/Midtown street grid of Sacramento, California. "Gridsters" are known for rarely leaving "The Grid" of lettered and numbered streets.
Old Ironsides is a bar popular with Gridsters.
Gridsters rarely venture out to the suburbs.
by K Schneider September 11, 2006
 
1.
To be a Grunge while at the same time being a hipster. A gridster try's to "hipstify" the Grunge culture and lifestyle.
My brother Luke is a Gridster when he trys to compare the lumineers and nirvana. He constantly trys to explain the irony of Kurt cobains lyrics while at the same time is wearing skinny jeans. Constantly trys to to abbreviate words that don't need abbreviating.
by Mr. knw it all February 22, 2014