propeller head
noun
Slang.
a person who is obsessively devoted to an especially technical pursuit.
Origin of propeller head
First recorded in 1980–85
Words nearby propeller head
propecia,
propel,
propellant,
propellent,
propeller,
propeller head,
propeller horsepower,
propeller shaft,
propeller wash,
propelling pencil,
propend