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A hand tool used to unclog a drain, especially a toilet, consisting of a long wooden or plastic handle with a rubber suction cup at one end (i.e., a "plunger.") Randy, the toilet is overflowing in the upstairs bathroom again! Go get the plumber's helper from underneath the kitchen sink. A plumber's helper should be one of the very first purchases you make when moving into a new home.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.