propeller head

== English == === Alternative forms === propellor head, propeller-head, propellerhead === Etymology === In reference to people, exemplified by the kind of child who wore a propeller beanie. === Noun === propeller head (plural propeller heads) The hub of a propeller, into which the blades fit. (slang, somewhat derogatory) A person deeply absorbed in an academic field or technical interest, especially to the exclusion of social activities. ==== Synonyms ==== (person absorbed in an academic field or technical interest): geek, nerd, weenie; see also Thesaurus:dork ==== Translations ==== ==== See also ====