giant killer

noun

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

Example Sentences

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

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

From Salon

We see three players – 096, 100 and 353 — approach the giant killer doll Young-hee with the motion-detector eyes.

From Salon

Eagles backup running back Boston Scott has been dubbed the “Giant Killer” in Philadelphia for his uncanny play against New York.

From Seattle Times

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

From Seattle Times