Brit a castrated male pig raised for slaughter
chiefly NAmer a domestic pig
a warthog or other wild pig
informal a selfish, gluttonous, or filthy person
= hogg
go the whole hog
informal to do something thoroughly
We might as well go the whole hog and hire a limousine
[perhaps from the notion that buying a whole hog was better value than individual cuts. Anecdotes to do with religious prohibitions on eating parts of a hog, which were circumvented if the whole hog was shared, are unlikely sources of origin.]
hoggish adj
hog-like adj
[Old English hogg]