Top Definition
dro
HyDROponically grown marijuana, i.e., "homegrown". Pot grown indoors in hydroponic chambers, which regulate light, humidity, and temperature. Usually a higher, more pure quality of weed than that found elsewhere. Whether there are additives such as cocaine in it is a secondary matter - ask honest questions of your dealer. When in doubt - don't buy.
From Chingy's hit song "Holidae In" -

Get a 12-pack of Coronas, and a ounce o' 'dro, ya know
door papi 22 december 2003

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dro
Highly expensive hydroponically grown marijuana. Very Potent
WE GOT DRO!
Lets smoke that dro!
door DATOMUSABGAY 12 december 2002

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dro
hydroponically grown marijuana. ever since the term's introduction to the 11-13 year old demographic, every fucktard who's never touched weed feels an insatiable need to talk about how much dro they smoke
few people even know what the fuck dro is
door wwwwoooooooo! 13 september 2006

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dro
The term means hydroponic, as in hydroponically grown weed.

There are male and female marijuana plants, when you let a male release pollen onto a female plant the female will produce seeds in her buds. If there are no male plants around the female plant will still produce her buds, but there will be no seeds inside, which gives the plant a lot more energy to produce THC. This is commonly referred to as "hydro", though to grow seedless bud you wouldn't necessarily need to use hydroponics.

Hydroponics systems work by filling a bucket filled of hydro ton (airy rock pellets) with nutrient enriched water for a few seconds every few minutes. The plant uses little energy to grow roots as it doesn't need to expand to get nutrients it needs, and can use it's energy to grow leafs and buds.
AK-47, White Widow, Black Widow, Purple Haze, are all hydroponically grown seedless bud.
door MustJustBe 20 december 2006

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dro
hydroponically grown cannabis, potentially higher yields than organic soil grown but in many cases harsher and chemmy tasting due to the lack of care gven by commercial growers.
this dro is fuckin nasty gotta go organic man
door fatman 9 januari 2005

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dro
slang term for high grade weed grown without any seeds. weed grown in a hydro medium or in soil as long as its been properly cared for and the male plants have been removed the buds will grow big fat chrystal like. most of the "dro" sold on the streets hasn't necessarily been grown in a hydroponic medium, but the streets have no idea because they can't tell
I just started growing some white widow in my back yard.
oh yeah i heard thats the strongest dro on the market.
it taste better when you grow it outside, not that indoor chemical shit.

i didn't know you could grow dro outside.
you can't but as long as its a strain like white widow, northern lights, orange kush their going to call it dro no matter where i grew it at.
door jdazz 27 mei 2010

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dro
Although originating from the word hydroponic, marijuana no longer has to be hydroponically grown to be referred to as 'dro'. Rather, it's a general term for standard, 'good' weed, in other words that which is better than mids and schwag, but not as good as headies and crazy strains.
Yeah this is pretty good dro, I found like three seeds in the whole ounce.
door guy who smokes 3 november 2007

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