eager beaver

[ee-ger] /ˈi gər/
noun
1.
a person who is excessively diligent or overly zealous.
Origin
1940-45, Americanism
British Dictionary definitions for eager beaver

eager beaver

noun
1.
(informal) a person who displays conspicuous diligence, esp one who volunteers for extra work
Slang definitions & phrases for eager beaver

eager beaver

modifier

: her eager-beaver sincerity/ eager-beaver gung-ho spirit

noun phrase

An energetic and willing worker; ambitious striver (1940s+)


Idioms and Phrases with eager beaver

eager beaver

An exceptionally zealous person, one who habitually takes on more tasks or works harder than others. For example, Bill is a real eager beaver, always volunteering to stay late. This expression became especially popular during World War II, applied to recruits anxious to impress their commanding officers by such behavior. [ First half of 1900s ]