ポンコツ

clunker, piece of junk, good-for-nothing, incompetent person

noun Rare #33,735
clunker, piece of junk Colloquial; often used insultingly when referring to a person.
JA: このポンコツはもう動かない。
EN: This clunker doesn’t work anymore.
good-for-nothing, incompetent person Colloquial and insulting.
JA: あのポンコツに任せるのは不安だ。
EN: I’m worried about leaving it to that good-for-nothing.

彼の古い車はポンコツ寸前。

His old car is on the verge of falling apart.

ポンコツでふざけるな

Don't screw around, you useless idiot.

— シティ・オブ・ゴッド (2002)

ポンコツめ

You useless fool.

— M - Eine Stadt sucht einen Mörder (1931)

こんなポンコツより運転しろ!

You drive, instead of relying on this piece of junk!

— ブエノスアイレス (1997)

私の車、ポンコツなのよ。

My car is a piece of junk.

ポンコツの車と―わずかの衣服

A clunker of a car and a few clothes

— マルコムX (1992)