親バカ

おやバカ おやばか

over-fond parent, doting parent

バカ話

バカばなし

foolish talk; idle talk

バカ貝

バカがい ばかがい バカガイ

Mactra chinensis (species of trough shell)

バカ安

バカやす

bargain price

バカ女

ばかおんな バカおんな ばかじょ バカじょ

stupid girl, stupid woman

バカ受け

バカうけ ばかうけ

ridiculously good reception, being extremely well-received

バカ騒ぎ

バカさわぎ ばかさわぎ

horseplay, fooling around

バカ食い

バカぐい バカくい

binge eating

釣りバカ

つりバカ

fishing enthusiast; fishing nut

筋肉バカ

きんにくバカ

meathead; muscle head; person who is obsessed with bodybuilding

専門バカ

せんもんバカ

person who is ignorant outside his field

学者バカ

がくしゃバカ

person who is book smart but lacking in common sense; person who is book smart but street dumb

バカの壁

ばかのかべ

stupidity barrier; stupidity as an obstacle to coming to a mutual understanding

バカ高い

バカたかい ばかたかい ばかだかい

ridiculously expensive, stupidly expensive

バカ正直

バカしょうじき

honest to a fault; foolishly honest; naively honest

バカ丁寧

バカていねい

overly polite; excessively polite; polite to a fault

バカ売れ

ばかうれ

selling like crazy; selling like hotcakes; flying off the shelves

バカが移る

バカがうつる ばかがうつる

to catch 'the stupid' (e.g. from talking to stupid people, watching mindless TV, etc.)

バカ発券器

ばかはっけんき

Twitter; stupidity detector