1 definition by Sexii E

This occurs when a person is so high on various substances such as heroine and pain killers that they begin to lean in a sleep-like state for different lengths of time and then continue what they were saying or doing as if no time had passed at all.
Last night i popped 3 vicodin and tried to watch Inception, I was so fucked up i was doing the fiend lean and missed half the movie!
by Sexii E December 12, 2010
Get the fiend lean mug.