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A person who preys or overly depends upon another in a parasitic manner; a leech or sponge. From Yiddish. Sarah made a point of setting out on her own as soon as she finished high school, but her younger brother has been something of a perennial shnorrer. Every group of friends has at least one shnorrer. You know the type, the one who mooches drinks and food off everyone whenever you go out.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.