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2.
to take a poop; to defecate.
Bob clutches his stomach. Jane notices & comments, "Hey, you should go plant a tree."
by its earth day April 22, 2008
 
1.
To FUCK or to engage in sexual intercourse.
Sheri: Hey, Bobby, whacha wanna do?

Bobby: Plant a tree bitch!
by Sex ED July 28, 2006
 
3.
You dig a whole and stick an drunk woman upside down in it. You then proceed to shag her guts out.
Wha' you lookin' at? I'm just planting a tree!

Hey look! 12 year old school girls! Lets plant a tree!
by iamnotanurbanlegend July 10, 2008