boo-pengg Share definition Flag (verb) a way of feelings or affection to opposite sex which is more deeper than love (noun) a girl who is special/close to your heart (verb) Girl: you know that i "love" you Guy: i "boo-pengg" you too (noun) Guy: Hi "Boo-pengg", How was your day? Girl: I'm doing great. How about you? boo-pengg by seeker September 12, 2006 Get the boo-pengg mug.