Definition of 機械馬鹿 (きかいばか)

noun
skilled engineer (mechanic) who is clumsy in all other matters, person who gets a great kick out of tinkering with anything mechanical(yojijukugo)
Related Kanji
loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion
contraption, fetter, machine, instrument
horse
鹿 deer