You hear something that you can't see, or, an object thrown in yor direction, but you don't know who threw it.
*loud bang*
"Charlie in the Trees man! RUN!"

or

*Pencil flys past your head*
"CHARLIE IN THE TREES, GET DOWN!"
by Shut Up man November 8, 2008
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1) A pathetic little twig that's left on the Christmas tree lot on Christmas Eve.

2) Any pathetic-looking thing that might possibly be redeemed with some love.
1) I have no money, so I'm going to wait until Christmas Eve and get me a Charlie Brown Christmas tree.

2) Everyone told Muffy that her computer geek boyfriend was a loser, but now he's pulling down $100G a year--turns out he was a Charlie Brown Christmas tree.
by Justanotherwoodchuck November 27, 2005
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(n.) A sapling with little to no branches on it, especially during the winter where some individuals will decorate said sapling with ornaments that will ultimately weight it down. This can normally be seen in newly developed subdivisions in the suburbs and project housing.
"What the Hell is that thing leaning? Are those ornaments on a twig? Looks like someone decided to make a Charlie Brown tree for Christmas."
by tish_wyrd August 27, 2008
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