noun
- the act of injecting a drug directly into a vein
Usage: slang; drug-related
verb
- injecting a drug directly into a vein
- consuming or using something intensively or excessively
Usage: slang; drug-related
Usage: informal
Examples
- The documentary discussed the dangers of mainlining heroin.
- Health workers provide clean needles to prevent infections from mainlining.
- He was mainlining coffee to stay awake for the exam.
- The addiction counselor warned against mainlining any substances.
- She’s been mainlining true crime podcasts all weekend.
- Mainlining carries serious health risks including collapsed veins.
- The teenager was caught mainlining energy drinks before practice.