noun
Philopon (brand of methamphetamine)
Trademarked brand name for methamphetamine, historically used in Japan. Now primarily a historical or technical reference.
戦後、ヒロポンという覚醒剤が広く流通した。
After the war, a stimulant called Philopon became widely distributed.
noun
methamphetamine; meth
Generic use of the brand name to refer to methamphetamine itself, similar to 'Philopon' becoming a common noun. Often used in colloquial or media contexts.
See also: メタンフェタミン
警察はヒロポンの密売ルートを摘発した。
The police uncovered a meth trafficking route.