
Mainline
Drug Usage
Used to describe someone injecting drugs, usually illicit substances, directly into veins.

Celebrities who mainlined fell into serious health issues.
Colloquial Warning
Considered very informal and offensive in non-drug related discussions.

Never use 'mainline' casually in professional settings.
Compare with
CentralConventionalCoreEstablishMainstreamPrimaryPrincipalStandard
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