When you leave an unfinished joint outside overnight and smoke it the next day/month or longer.
"Hey man you got any weed?"
"No but we can smoke the slug juice on the windowsill."
by Slug Boy March 02, 2019
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Energy drinks or Mountain Dew drank by slugs at West Point.
I'm gonna fall asleep in my next class, I need some slug juice.
by super slug November 09, 2009
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DAMN boy that bitch just rode my face and got her slug juice all over me!
by anniesarah December 03, 2007
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