1. one of the many aliases used by the now legendary dope dealer Howard Marks during his years of supplying the worlds favorite recreational substance. several of his false passports bared this name as well as photographs with various cunning disguises
2. the name of a strain of marijuana cross-bread from the famous G13 strain, it was named after the above alias of Howard Marks
you know that guy that smuggled dope? he is Mr. Nice
by the penguin made me do it April 4, 2009
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A pink blob with no arms that can dance anyway. He can be viewed here:
http://www.albinoblacksheep.com/flash/nice.php
Man oh man, if my little brother plays Mr. Nice one more time..... Why I'll Mr. Nice HIM!
by luna May 28, 2005
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a really potent strain of marijuana.
Jeff brought Mr. Nice Guy to the party and we got sooooo stoooooned!
by grover17 April 6, 2007
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A man that seems like a laidback nice nerd type but really he is a womanizer, compulsive liar and a jerk. He is always scanning the scene for a new woman to get with even while he's in a relationship. He's even trying to get his female friends only in bed but they don't realize it. If you get in a relationship with him he starts to show his true angry controlling side. When he's sober he makes up lies about his last relationship and acts like he was the victim and plays the nice nerd character.
That man is a Mr nice nerd , I can't believe I didn't realize it sooner. What a jerk he was.
by Targaryenpumpkin February 19, 2019
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Mr. Nice Guy, Is a way to describe the certain situation -Where your dick is not HARD, nor Soft.... Meaning there's enough blood pumped in it to give it some respected amounts of girth and heftiness, and a very nice banana shape... And, there's not enough blood to make it erect and create some discomfort in public nudity places(i.e Public showers, Schools gym shower, Sauna...).
All this makes a perfect situation for walking proudly among other fellow men which do not or are not currently having this phenomenon.
Public showers are a great place to have a "Mr. Nice Guy", because you walk proudly among other shrinked and springie looking dicks...
Also a great time for it, is when you show him to a lady, So she can fully appreciate the shape and size of the tool.
Guy A, *Walks into the showers in his health club... While having a "Mr. Nice Guy"...*

Guy B Through F, Look(or rather glance, to not seem homo/gay) with awe and respect to Guy A's penis to see the marvel that walks among them...

***Needless to say -Guy A walks tall and proud of the 7th wonder of the world hanging astonishingly from his lower body...
by Igneshto November 11, 2009
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A dildo, vibrator or other masturbatory tool a woman uses while spelunking.
She goes to the market to get some things she needs: cigarettes, some chardonnay, and a ten-pack of C's for Mr. Nice Guy.
by EmJayH June 18, 2008
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Two in the poo and One in the Goo. An opposite of the shocker.
She was bored with the shocker so I stepped it up and gave her the Mr. Nice Guy. She didn't think it was so nice!
by Berg121 April 29, 2008
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