A truck driver who drives aggressively or stupidly on the road, putting other motorists at major risk. This risk is due to the trucks' extreme size.

The phrase can be used as a substitute for "asshole" when referring to a truck driver who is driving dangerously.
Holy shit, this trucker mother fucker ran a red light and almost hit me
by Xxxxxxxxfanboyxxxxxxxxxx August 25, 2020
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