A puncture or flat tyre; the condition when a tire loses air due to a hole or blowout.
高速道路でパンクして、スペアタイヤに交換した。
I had a flat on the highway and changed to the spare tire.
自転車のパンクを修理するためにチューブを交換した。
I replaced the tube to repair the bicycle's puncture.
釘を踏んでタイヤがパンクした。
I ran over a nail and the tire went flat.
Bursting, breakdown, or collapse from overload; used for jammed lines, overloaded schedules, people reaching their limit, or businesses going bankrupt.
申し込みが殺到してサーバーがパンクした。
Applications flooded in and the server crashed.
仕事が多すぎて彼はもうすぐパンクしそうだ。
He has so much work that he's about to collapse (reach his limit).
不採算が続き、会社がついにパンクした。
Due to continued losses, the company finally went bankrupt.