To jam music really loud, dance, tear up a rug, and make some noise.
1: Jammer: My neighbors must hate me, I've been shakin' trees all night.

2:

Guy 1: Damn look at that girl on the dance floor.
Guy 2: Yeah dude, she's shakin trees right now.
by TigerMun March 21, 2013
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The isolated jiggling or shaking of one's booty. This can be up and down or side to side.
That girl at the ballet(strip Club) was a serious rump shaker.
by rhooks March 11, 2004
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To not understand instructions and to continue to try and sift through the paper work, and come up with the same result over and over and over and over again. Then step away and try again.
My fucking crack head boss keeps making me sit there and start shakin paper with him. That shit don't work!
by Jeremiah Smith December 11, 2007
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