1 definition by katastroika

When one is smoking a drain is something that kills the mood. A drain would be considered opposite to a boost (not to be confused with a shnarf boost, a boost of a higher intensity).

A drain kills the situation.
stoner #1: hey man let's go smoke more alcohol?
stoner #2: nahh man, we ran out!
stoner #1: damn man, what a DRAIN!
by katastroika December 31, 2013
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