Trucker speak. Should only be used to introduce yourself on channel 19 on Citizen's Band. For other channels, say "break 20", "break 21", etc. It's funny to hear people say break 1-9 on like channel 5 though.
Trucker1: Break 1-9.
Trucker2: 10-4.
fizzleによって 2004年04月05日(月)

Words related to break 1-9

10-4 bear bear report guitar town smokey bear