1. noun /pɒp/
a) A loud, sharp sound as of a cork coming out of a bottle.
Listen to the pop of a Champagne cork.
Go in the store and buy us three pops.
2. verb /pɒp/
a) to burst something
The boy with the pin popped the balloon.
The waves came round her. She was a rock. She was covered with the seaweed which pops when it is pressed. He was lost.
3. interjection /pɒp/
Sound made in imitation of the sound.
4. adjective /pɒp/
Popular.
Wikipedia foundation.