Jeff Portnoy: Alpa, if you untie me, I will literally suck your dick, right now.
Alpa Chino: Man, I told you for the last time, I love tha pussy!
Jeff Portnoy: I'll cradle the balls, stroke the shaft, work the pipe, and swallow the gravy. Get it over here, buddy. Let's do this.
When Jeff Portnoy is tied to the tree, he changes from having trousers to having just Y-fronts on several times. Usually happens between shots of the group and shots of just him.
Ben Stiller got the idea of Tropic Thunder during filming of the 1987 war movie Empire of the Sun.