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1 definition by polymer_chemist

 
1.
PLA
Polylactic acid. A new plastic (often made from corn) that is becoming commonly used in consumer products (such as plastic cups) because it is compostable. Due to its recent introduction, most people are unaware that chewing polylactic acid can cause a high.
"Why are you chewing on that plastic cup?"
"...woah...ooo...ooah"
by polymer_chemist August 19, 2011