Related Clues:
- Bubbles in drink
- Penny cut off sound
- Heavily sit (down)
- Opposite of flatness
- Small splash
- Alka-Seltzer sound?
- Antacid jingle word repeated after "plop, plop"
- Hissing sound; champagne
- Sound of object falling into water without a splash
- Classic Alka-Seltzer jingle starter
- Sound of a leaky faucet
- Pebble-in-puddle sound
- Take a seat inelegantly
- Sound made by an Alka-Seltzer tablet
- Sit (down) heavily