Selfish, Piggish, Inconsiderate Motorist
Puzzle 7 of Yoga Hard Pack
Question is: Selfish, Piggish, Inconsiderate Motorist
and the answer is: ROADHOG
Word Meaning:
ROAD HOG — (slang, idiomatic, derogatory) A motorist who straddles two lanes of traffic or otherwise monopolizes the road.
Definitions from Wiktionary.