"why don't you just give me some of that?"
"Excuse me; where the hell's the toilet?"
director: Jack Deveau (1977)
Starring: Roger and Jack Wrangler; with Jayson MacBride, Garry Hunt, David Hunter, Eric Streiff, Joe Dellasandro (uncredited), and in a non-sexual role Tray Christopher (Chris Rage's voice as M.J. Stunning, a radio D.J.).
I love this clip, which I first posted as ROGER & PEE back in 2005 - check out the original post, gives a bit more info.
Click one of the pics to view the movie trailer (you know that if you view the clip in the browser, you can "right click" and view it FULL SCREEN, right?), or here if you want to download and save for later.