a native or resident of the East Side of Manhattan, in New York City.
Origin of East Sider
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for east sider
Historical Examples of east sider
The east-sider thinks his hang-outs and dives are the best, and the west-sider thinks the same of his.Tramping with Tramps