mainliner

[ meyn-lahy-ner, -lahy- ]

noun
  1. Slang. a person who mainlines.

  2. a person who belongs to a mainline group.

Origin of mainliner

1
An Americanism dating back to 1930–35; mainline + -er1

Words Nearby mainliner

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024