The movie is peppered with more scenes of the gang humping trash. Peter buys an erotic book entitled "Much Ado About Humping" and finds it disappointing. They can also show signs of aggressive humping or sexual activity during this time. While he had Jallon's back, Leduc did a provocative humping movement. Later, when Alan is "humping" Joanna, the scene suddenly becomes a crane shot. Tweeden "humping" the married comedian Robin Williams on a similar 2004 USO tour. Morgan appears as a character in the play "Humping the Bluey, or Ransom" (1911).