noun
Rare term; derived from English 'pay' + 患 (sickness), referring to someone addicted to drugs. Not commonly used in modern Japanese.
「ペイ患」は、麻薬中毒者を指す古い隠語だ。
'ペイ患' is an old slang term for a drug addict.
Likely a compound of English 'pay' and 患 (sickness), but the exact origin is uncertain. The term is rare and not widely used.