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abbreviation for residual high; a sense of being high a day or two after the actual act of smoking marijuana, sometimes lasting up to a week.
1. Dude...I smoked like two days ago, but I'm definitely feeling pretty residual today

2. Oh man...I've got major residual today
by SenorFrick January 11, 2009
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The residual effects of smoking an L late at night. Could result in early morning fatigue and/or confusion.
Dude, we were up so late smoking last night. I am totally feeling the residuaL effects today.
by L-time April 21, 2009
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