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giant killer

British  

noun

  1. a person, sports team, etc, that defeats an apparently superior opponent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A giant killer doll and dozens of faceless guards in tracksuits - among other motifs of the deadly games - marched down central Seoul to much fanfare.

From BBC • Jun. 30, 2025

Some, like the giant killer doll robot from “Red Light, Green Light,” are singular and inimitable.

From Salon • Jan. 5, 2025

Not looking that way now, but the Volunteers have giant killer potential if everything clicks.

From Seattle Times • Nov. 15, 2023

“If you had asked me 30 years ago, ‘Can we be confident we won’t be wiped out by a giant killer asteroid a week from next Tuesday?’

From Scientific American • Mar. 2, 2023

Jack, the giant killer and other fairy stories.

From Lists of Stories and Programs for Story Hours by Power, Effie L. (Effie Louise)