OK, I always thought this commercial was hilarious.
A little backstory:
This is a commercial for E-Trade that ran during Super Bowl XXXIV (in 2000). It is described by Wikipedia as the following: Two men and a monkey dance to "La Cucharacha". Then, the screen makes fun of the money being spent by websites on Super Bowl ads by saying: "Well, we just wasted two million bucks." It is an effective ad because it is totally unexpected and displays the importance of money management
All that description aside, I think this has serious meme potential. It's so freaking weenie!