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The act of driving down the street and hanging out of the window, while whirling a present into the recipients yard shouting (in a Santa like tone) "Merry Christmas!". Drive-by Christmas.
Katie: Brian's whole family is out there!

Chris: Ok... (while sitting on the edge of a window holding onto the sway bars getting ready to huck a present into the yard)

The present lands side up in a foot of snow.

Drive-by Christmas.
by Ho-Ho-Ho! Merry Christmas! December 25, 2009
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