slow puncture; slow leak
Abbreviation of スローパンクチャー (slow puncture). Used mainly for tires or inflatable objects that gradually lose air.
See also: スローパンクチャー
It seems like the tire has a slow puncture; the air is leaking out little by little.
Variant with interpunct; less common but seen in some contexts.
Abbreviation of the English loanword スローパンクチャー (slow puncture).