Definition of whole hog in US English:

whole hog

adjective

North American
informal
  • Usually with hyphen. Characterized by or arising from total commitment or devotion; thoroughgoing, out-and-out.

noun

North American
informal
  • With the. The greatest possible or desirable amount, degree, extent, etc.

adverb

North American
informal
  • In a thoroughgoing manner; fully, completely.

Origin

Early 19th century. From whole + hog, after to go the whole hog.

Pronunciation

whole hog

/ˌhəʊl ˈhɒɡ/