Definition 1 of 1
This name-calling is also recalled back when parents click photographs of their nanga punga children and show it to them a few years later.
Dad: Hahaha, shame shame poppy shame all the girls know your name! I will click one photo.
*after 15 years*
Son: Dad, here's my girlfriend. I lau her.
Dad: Come here come here, look at his nanga punga photos!