dog-eat-dog . dog-eat-dog (2) {adj.} Ready or willing to fight and hurt others to get what you want. During the California gold rush, men had a dog-eat-dog life. Categories: add yours hurt life {adj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: D Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry