used to describe someone who lets all of the neighborhood children, midgets, small mammals, etc. swing on or hang from his/her erect penis
"dude, where the hellz were ya?"
"i was hangin' out with Foges."
"hangin' out or hangin' on?"
"....... hangin' on..."
"Jesus, Foges is such a birch tree swingset."
by funkmasta-t May 13, 2010
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When a white person cuts themselves to create lines on them resembling a Birch tree.
Jessica: "you are so ugly Jake!"
Jake: "Shut up, you Birch tree!"
by Shatblaster3000 October 31, 2021
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