Top Definition
A sticky, honey colored goo extracted from marijuana. Hash oil is extremely high in THC, the active ingredient in cannabis. Two drops should get you about as high as a joint of home grown
I'm getting a fat can of butane and making some hash oil tonight.
by TheHose February 03, 2005
Hash oil is the oil extract of hash(compressed kief). dabs
Yo I'm tryna smoke some hash oil before we go.
by dess.renaee June 16, 2016
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