The 4^th of October is unofficially Trucker Day since the date spells out 10-4, clever clever. There are lots of songs about trucking, it’s basically a whole category of music itself, but the most recognizable is Convoy of cource from C.W. McCall (or Paul Brandt depending on your age). Well, here is the definitive guide to understanding the entire song and trucker lingo in general.

10-4 - 10-4, is an affirmative response.

10-9 - Repeat last message.

Bear  or Smoky Bear or Smokies- Police.

Cab-over - Style of truck where the cab sits directly over the engine, there's no hood.

Chi-town - Chicago, Illinois.

Chicken coops - Weigh Stations.

Flip-flop - 'On the flip-flop': On the return journey.

Front door - To have the front door means to lead a convoy.

Hammer - 'Put the hammer down': To put your foot down.

I-one-oh - Interstate 10.

Jimmy - Make of truck.

Kenworth - Make of truck.

On the side - Monitoring transmissions, but no longer transmitting.

Pete - Make of truck (Peterbilt).

Reefer - Refrigerated trailer.

Rubber Duck - Decoy. A lone truck which goes ahead of the main convoy to draw police patrols out of hiding.

Suicide jockey - Driver hauling a dangerous load.

Twenty - 10-20. Home destination.