verb (used without object), main·lined, main·lin·ing.Slang.
verb (used with object), main·lined, main·lin·ing.Slang.
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Origin of mainline
Definition for mainline (2 of 3)
- a prominent and readily accessible vein of the body that may be used for a narcotic's injection.
- the act of mainlining.
Origin of main line
Definition for mainline (3 of 3)
OTHER WORDS FROM Main LineMain-Line, adjectiveMain-Liner, noun
Example sentences from the Web for mainline
Gardiner and company understand that this theatrically undernourished moment is one in which an audience wants to mainline old favorites.Sondheim revue provides exhilarating warmth in cold, trying times|Peter Marks|February 1, 2021|Washington Post
It speaks to how much “Assassin’s Creed” has evolved and changed over its 13-year history and 12 mainline games.
Over the course of those 20 years, four mainline games, and dozens of spinoffs, The Sims has charmed millions of fans, made more than $5 billion, and even changed lives.'It Nearly Brings Me to Tears.' 20 Years On, The Sims' Diehard Fans Could Never Let Go|Matthew Gault|March 16, 2020|Time
Or was he "mainlining the secret truth of the universe" again?‘True Detective’ Finale Review: Close to Perfection|Andrew Romano|March 10, 2014|DAILY BEAST
British Dictionary definitions for mainline
- the trunk route between two points, usually fed by branch lines
- (as modifier)a main-line station