Yes, popping is a Scrabble word!

Verb

1. Bulge outward

2. Hit a pop-fly

3. Make a sharp explosive noise

4. Fire a weapon with a loud explosive noise

5. Cause to make a sharp explosive sound

6. Appear suddenly or unexpectedly

7. Put or thrust suddenly and forcefully

8. Release suddenly

9. Hit or strike

10. Drink down entirely

11. Take drugs, especially orally

12. Cause to burst with a loud, explosive sound

13. Burst open with a sharp, explosive sound

Noun

1. A sharp explosive sound as from a gunshot or drawing a cork