mainlining

Verb

mainline (third-person singular simple present mainlines, present participle mainlining, simple past and past participle mainlined)

1. (slang) To inject (a drug) directly into a vein.
   • The patient skinpopped for 1½ years and then started to mainline heroin.1968, Richard Brotman, Alfred M. Freedman, A Community Mental Health Approach to Drug Addiction, page 97

   Synonyms:

   main

2. (broadly, informal, transitive) To consume voraciously.
   • Last month, she lamented that her busy campaign schedule had kept her from mainlining Amazon’s new “Rings of Power” series.2022 September 21, Jason Horowitz, “Hobbits and the Hard Right: How Fantasy Inspires Italy’s Potential New Leader”, in The New York Times, →ISSN
3. (transitive) To integrate (code, etc.) into the main repository for a software project, rather than separate forks.
4. (transitive) To include (a prisoner) in the general population of a prison.

See all 18 meanings of mainline