giant-killing; defeating a much stronger opponent
Sports term for an underdog beating a heavily favored opponent; used in contexts like soccer, tennis, and other competitive sports.
That match was a real giant-killing.
A giant-killing occurred when the lower-ranked team beat the tournament favorite.
Variant with interpunct; less common but seen in some contexts.
Loanword from English 'giant-killing', adopted into Japanese primarily as a sports term.