eager beaver

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === (UK) IPA(key): /ˌiː.ɡə ˈbiː.və/ (US) IPA(key): /ˌi.ɡɚ ˈbi.vɚ/ === Noun === eager beaver (plural eager beavers) (idiomatic, colloquial) One (especially a child) who is very excited or enthusiastic to begin a task; a person who is exceedingly assiduous in an enthusiastic manner ==== Related terms ==== eager beaver away