It is a filipino slang that mocks the inactivity of a certain group of people, where they act like statues or displays.
The students of grade 9 avocado are acting like taong bato.
It is a slang word that mocks over-aesthetic (OA) things , these over-aesthetic things are popularized by Kate From Cavite, Philippines.
I want to experience a little aesthetificationism on my powerpoint presentation.