|1.||birch tree swingset|
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."