What is Batu?
1.
crystal methamphetamine
lets go smoke some batu
2.
Batu is ice in Filipino. So as to say lets smoke some ice. You say lets smoke batu.
Hey cuz, you get any? Not one, BATU!
3.
The tagalog word for "rock" or "stone"; it is commonly used as a slang term for methamphetamine in Hawaii.
"Brah, you like go smoke batu?"
See