Mainlining definitions

Mainlining

1) Windows-only game
Found on https://www.crosswordclues.com/clue/mainlining

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mainlining

(from the article `drug use`) Most persistent users follow a classic progression from sniffing (similar to the oral route), to `skin popping` (subcutaneous route), to `mainlining` ...
Found on http://www.britannica.com/eb/a-z/m/15

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