15
Sixties expression of drug purity, most specifically methadrine.
Easy on that line Bro. This is pinhead.
by Larry G January 04, 2005
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16
small, very thinly rolled marijuana joint
"we used to smoke little joints, little pinheads"
by matthi January 01, 2005
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17
zoe is soooo lovely but she has pinhead, but you gotttta LOVE her
by spadgearoo October 29, 2005
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18
When you stick a pin through the end of a joint so that you can finish the last little bit - that is a pinhead.
I don't have a roach clip - "That's ok, we'll just make a pinhead".

In the song "Down on the Corner", by CCR, many people think there are drug references in the misunderstood lyrics "You don't need a pinhead, just to hang around, but if you've got a nickel won't you lay your money down".
by C00per November 19, 2007
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19
A person or persons who's head is of abnormally skinny in size like the shape of a pin.
by Eugene October 22, 2003
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20
A pinhead is a persons penis which is thinner then their middle finger and longer then their neck.
I was with him last night, but i rejected him because he has a Pinhead.
by Too many laughs December 14, 2010
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21
small skulled, non-linear (like "Zippy the Pinhead"), medically a "microcepahalic"
"Why can't you think logically?Don't be such a pinhead!"
by Bill Griffith March 28, 2003
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