Scientists remain baffled how the tree's structural integrity has shifted, causing it to become Mel Gibson. Apparently, the gesture dates back to Ancient Rome, when trees were dicks.
In his defense, he hasn't worked since Lord Of The Rings. Now all he has is an Ayahuasca addiction, a dirty hammock, and an offer to be on Splash.
Do you have a better caption for this expression of contempt? Please submit your ideas by Thursday, or endure the unpredictable forces of nature and a missed opportunity sure to rack your soul!