Also sharing tiffins among friends.
Stealing tiffins somtimes of girls who used to bring fancy snacks.
Sitting together with best buddies.
Loved to get punished and thrown out of the class with buddies for disturbing the class when we were bored with some specific class we used to do this voluntarily.
Waiting for lunch or final bell to ring.
Labs.Computer lab the chilled lab.The ac of computer lab used to hit different ,home ac dont work likethat

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Chem&physics lab too.
Preparing for annul events or farewell.
Waiting for teachers to go absent to fun around with free period.
Hooting like wooooooooooooohh when the electricity used to go offf for split seconds before the generator power back up stops the fun.And school bus was fun tooo.