Wiktionary
doubledome
alt. (context slang mildly derogatory English) An intellectual; an egghead. n. (context slang mildly derogatory English) An intellectual; an egghead.
Usage examples of "doubledome".
Simpson," Doubledome said, "I'm afraid that's soapy water you're drinking.
Simpson said to Doubledome and Pacemaker, who stood rigid and attentive, "Find a record clerk whose initials are J.