A person who gets stoned with a certain amount of bud but however, he or she is still at their full capacity to do certain tasks without an issue. A functional stoner can go to work or a public place and act completely normal as if they're not stoned.
John: You seen the video where Bob Marley smokes a lot of bud and then get back in the studio?
David: Yea damn how was he able to pull that off?
John: Dude, he is a functional stoner that's why
by RaphDaGwapMan July 10, 2013

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Top Definition
A person who smokes pot all day everyday but is still badass enough to get all their shit done.
I just did all my homework, I'm definitely a functional stoner.
by So Bomb. February 19, 2010

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt