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 20, 2007
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"we used to smoke little joints, little pinheads"
by matthi January 1, 2005
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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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reaction to an obtrusive noise(such as buh!): spinning of the head in the direction the noise came from. Usually in the form as a double-take.
That guy went super-pinhead!
by The other Dude October 6, 2004
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Patrick's alter ego in "Survival of the Idiots"; he argues he is in fact Dirty Dan. He is not; SpongeBob is. Also he makes the awesomest face when he asks "Who you callin' Pinhead?"
Wasn't Pinhead Larry the second toughest outlaw in history?

Hell Yeah! He was only ousted by Dirty Dan.
by WhoDaresWins March 9, 2010
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A popular meme from the show “Spongebob Squarepants”. In an episode of “Spongebob Squarepants” called “Survival of the idiots”, Spongebob and his best friend Patrick act as two famous outlaws, pinhead Larry, and dirty Dan. Pinhead, is used as an insult, and Patrick doesn’t like that.
-Spongebob- -western accent- “Alright pinhead, your time is up!”, calls him pinhead cause he has a pinhead -Patrick- -western accent- “who ya callin pinhead”, cause he takes as insult. Pinhead is a rude compliment, said by spongebob. Pinhead Larry, defined as rude and Un intelligent
by AlpacoNoTrappo November 30, 2018
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1) A high-caffine type of tea
2) The name of a punk band, consisting of Billie Joe Armstrong from Green Day, started in California.
1) My favourite tea is Pinhead Gunpowder, not Earl Grey.
2) My favourite band is Pinhead Gunpowder.
by LydiaR December 17, 2006
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