Visible crew/equipment: Near the beginning of the movie there is a brief scene around the empty house. While the camera is in the kitchen you can see a reflection of one of the set guys moving in the fridge handle.
Visible crew/equipment: When Ferris, Sloan, and Cameron pick up the Ferrari at the parking garage you can see the camera and its reflection in the window directly behind Ferris and Cameron.
Visible crew/equipment: When Ferris and gang are driving into the city (Chicago), you hear a song being played and they show an aerial view of Chicago. When they do a flyby of one of the buildings, you can clearly see the helicopter and the cameraman that is doing the filming, in the reflection of the building's windows.
Visible crew/equipment: When Ferris picks up Sloan at school he puts her in the car and walks to the left of the screen. He then enters the Ferrari from the right of the screen. He obviously had to walk around the camera man to do this. You can also see a reflection moving back and forth on the driver's side door while this is unfolding. Presumably the cameraman's.
Visible crew/equipment: After Ferris picks up Sloane from the school and they leave the parking lot, there is a shot from behind the car as they drive away and Cameron emerges from his hiding place. The following vehicle and the camera boom are visible in the reflection on the car's trunk. (00:31:15)
Visible crew/equipment: In the scenes where Sloan, Cameron and Ferris are driving to Chicago for the first time in the Ferrari, there is a brief shot of the Ferrari passing a car on a bridge. Look in the bottom right hand of the screen, a perfect shadow of a person on the road. (Original VHS version, it has been taken out of the recent TV versions).
Visible crew/equipment: At the very end when the credits are rolling but the movie continues, Rooney boards a school bus. When a student hands him a gummy bear, a mike is visible in the upper left of the screen. This was a TV version of the movie.
Visible crew/equipment: When Jeanie pulls up to the field in her car and she says "I hate him." You can see the reflection of the boom mic and the camera in her slightly rolled up window. (00:50:30)
Visible crew/equipment: In the scene where Ed Rooney first goes to the house to search for Ferris, you see a gold colour pot and a reflection of a crew member in it.
Visible crew/equipment: When Ferris and Cameron are in the garage for the first time inspecting the Ferrari, Ferris is shown talking. Shadows are cast on the hood of the car and you can see the shadow of the boom mic picking up his lines.
Answer: It's an old insult, somewhat equivalent to 'buzz off'.