Yes, pop is a Scrabble word!

Adverb

1. Like a pop or with a pop

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

Adjective

1. (of music or art) new and of general appeal (especially among young people)

Noun

1. An informal term for a father; probably derived from baby talk

2. A sweet drink containing carbonated water and flavoring

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

4. Music of general appeal to teenagers; a bland watered-down version of rock'n'roll with more rhythm and harmony and an emphasis on romantic love