oldy but goodie The Jerk or The Loneyguy (both with steve martin) or Aurthor (the original, not the new one)
newer...The Big Laboweski, of course, or belieive it or not
Bad Santa, with billy bob thorton, bernie mac(god rest his haliarious black ass) an john ritter(god rest his haliarious milkey white ass) and that black midget(sorry black midget)
anyway, i thought it looked lame as hell, but got forced into watching it, and it it was is, the best xmas movie since the grinch(the cartoon not that stupid fukin live action trrainwreck)
WATCH BAD SANTA TODAY. you will watch it twice. i am goin go rent it agian. fukcers.