a driver who obstructs traffic by occupying parts of two lanes.
Origin
1890-95
Related forms
road-hoggish, adjective
road-hoggism, noun
British Dictionary definitions for road hog
road hog
noun
1.
(informal) a selfish or aggressive driver
Slang definitions & phrases for road hog
road hog
noun phrase
A driver who takes more than his or her share of the road (1891+)
Idioms and Phrases with road hog
road hog
A motorist whose vehicle straddles two traffic lanes, as in Stay in your own lane, you road hog! This expression uses hog in the sense of “a greedy or selfish person.” [ ; late 1800s ]