Definition from Wiktionary, the free dictionary
- (slang, pejorative) An environmental campaigner, especially one who aims to restrict logging.
1960, Kalle Päätalo (translation by Richard A. Impola), Our Daily Bread, page 259:
- "Let's go now, tree-hugger," gasped one of them. "The show's over. Everybody beat it," ordered the other.
- (slang) A hippie.