Often known as Pedra Branca in Western world but supposed to be called Pulau Batu Puteh. It's a Malaysian island illegally occupied by Singapore.
Pulau Batu Puteh belongs to Malaysia, not Singapore!
pulau originally meaning "boycott" also know as "ignore"
when it's referred to people,such as "I've been pulau by my friends" means that you have been ignored by your friends ,no longer cares or nobody care about you.
away from others
"Pulau" also used as "palau",same meaning in malay