It’s easy to spot a Gieco commercial these days by their repeating gags and themes. One of their most popular ad series is their Happier Than commercial.

To kick off the NBA season, the Dallas Mavericks made this humorous spoof of Gieco’s Hump Day commercial featuring Dirk Nowitzki.

http://www.youtube.com/watch?feature=player_embedded&v=IwrstxuicZk