snug as a bug in a rug snug as a bug in a rug {adj. phr.} Comfortable; cozy. "Are you warm enough?" the boy's mother asked. "Yeah," he replied, "I'm snug as a bug in a rug." Categories: add yours {adj. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment