If there's good news, it's that boomerang babies aren't entirely those who can't afford to live on their own.
1827, adapted from an extinct Aboriginal languages of New South Wales, Australia. Another variant, perhaps, was wo-mur-rang (1798).
1880, from boomerang (n.).
To return to the parental nest: There's a 40 percent chance you'll ''boomerang'' back to live with your parents at least once (1980s+)