WordUpWordup

Mainline

usgb/ˈmeɪnlaɪn/Volume
Left Definition 1 of 4Right
LampPro Tip 1/2
Drug UsagePlay
Used to describe someone injecting drugs, usually illicit substances, directly into veins. SlideCelebrities who mainlined fell into serious health issues.
LampPro Tip 2/2
Colloquial WarningPlay
Considered very informal and offensive in non-drug related discussions. SlideNever use 'mainline' casually in professional settings.