There is some debate about the best ski scene in mainstream movies but if you were wondering about the finest yakking scene in the history of cinema there is a clear cut answer.
This footage comes from the 1990 follow up film to Fire and Ice, obviously named Fire, Ice and Dynamite (or Feuer, Eis und Dynamit in its original German title). It stars Roger Moore and makes Vin Diesel look like Vin Hybrid.