top dog
noun
a person, group, or nation that has acquired a position of highest authority.
the winner of a competition or rivalry; champion: He was determined to be top dog at the swimming meet.
Animal Behavior.
the alpha male or alpha female in a dominance hierarchy.
Origin of top dog
First recorded in 1885–1900
OTHER WORDS FROM top dog
top-dog, adjectiveWords nearby top dog
top billing,
top boot,
top brass,
top cat,
top dead-centre,
top dog,
top dollar,
top drawer,
top end,
top flight,
top gear
Example sentences from the Web for top dog
British Dictionary definitions for top dog
top dog
noun
informal
the leader or chief of a group
Idioms and Phrases with top dog
top dog
see top banana.