mainliner
/ˈmeɪnˌlaɪnər/
noun
- A person who injects drugs directly into a vein.
- The clinic offers support for mainliners trying to quit heroin.
- Mainliners face a higher risk of overdose and infection.
- He became a mainliner after years of smoking marijuana.
- A person who is part of the mainstream or established system; a conventional person.
- The party's mainliners resisted any radical changes to the platform.
- He's a mainliner who prefers safe investments over risky startups.
- She's a mainliner in the fashion industry, always following trends.