Top definition
upper west siders live in rent controlled apartments that they brag about paying $350/month for. They are the cheapest, most inconsiderate, self-righteous people walking around, in addition to the sense of entitlement that they harbor.
That Fucking Upper West Sider has a huge sense of entitlement, plus she didn't pick up her dog's shit from the middle of the sidewalk!
by the Geniette in a bottle July 07, 2010
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