double-dome

[ duhb-uh l-dohm ]
/ ˈdʌb əlˌdoʊm /

noun Slang: Usually Disparaging.

an intellectual; egghead.

Origin of double-dome

First recorded in 1935–40

Related forms

dou·ble-domed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019