a metaphor for describing an excess of THC in your system. usually said after doing a lot of marijuana, or continuous usage of marijuana
"so you've gotten high everyday for the last passed two weeks?"
"YEAH BRO, I GOTS GREEN BLOOD"

DOCTOR: "Sir, i'm afraid to tell you that you have green blood"
MAN:"haha yeah, gettin' high errday buddy"
DOCTOR:"hook me up with some of that dank shit yo"
by discidium December 30, 2011
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Green dragon's blood is a substance brewed from moonshine and weed. it has the potential, if it's well made, to get you both high and drunk, or crunk, at the same time.
maaaan that green dragon's blood fucked us up.
by tdagarim July 30, 2010
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