1. Appropriate and acceptable, often socially. Don't cancel your meeting with him at the last minute—that's not good and proper behavior.2. With intensity. Mom scolded me good and proper after I ignored my chores yet again.See also: and, good, proper
ˌgood and ˈproper
(British English, spoken) completely; thoroughly: That’s messed things up good and proper.See also: and, good, proper