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1.
crystal methamphetamine
lets go smoke some batu
by not1bah2 September 12, 2003
 
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!
by localbruddah June 21, 2005
 
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?"
by nuDS December 21, 2008