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mainliner

[ meyn-lahy-ner, -lahy- ]
/ ˈmeɪnˌlaɪ nər, -ˈlaɪ- /
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noun
Slang. a person who mainlines.
a person who belongs to a mainline group.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of mainliner

An Americanism dating back to 1930–35; mainline + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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