... a person sitting down, 4 letters
[frog lands in pond], 4 letters
Alka-Seltzer hitting water sound, 4 letters
Alka-Seltzer jingle starter, 4 letters
Alka-Seltzer-in-water sound, 4 letters
Alka-Seltzer-landing-in-water sound, 4 letters
Butt-hitting-beanbag chair sound, 4 letters
Coin-in-a-fountain sound, 4 letters
Drop Alka-Seltzer-in-water, 4 letters
Dropping-into-water sound, 4 letters
Fall into a chair, with down, 4 letters
Fall into a recliner, 4 letters
Falling-into-water sound, 4 letters
Noisy sitting sound, 4 letters
Onomatopoetic water sound, 4 letters
Penny-in-the-wishing-well sound, 4 letters
Pitter-patter's kin, 4 letters
Settle into an easy chair, 4 letters
Sit (down) on the sofa, as in preparation for the game, 4 letters
Sit (down) undaintily, 4 letters
Sit (oneself down) on, as the sofa, 4 letters
Sit clumsily (with down), 4 letters
Sit ungracefully (with down), 4 letters
Sit without ceremony, 4 letters
Sound associated with ripples, 4 letters
Sound in a famous Alka-Seltzer ad, 4 letters
Sound of a stone falling into a lake, 4 letters
Sound of Alka-Seltzer hitting water, 4 letters
Sound of an inelegant fall, 4 letters
Sound of fish being tossed back in the water, 4 letters
Sound repeated before fizz fizz, in ads, 4 letters
Sound that accompanies a splash, 4 letters
Sound with a splash, 4 letters
Stone-in-the-water sound, 4 letters
Tumultuous sit-down, 4 letters
Two fourths of an antacid sound, 4 letters
When repeated, start of an old antacid jingle, 4 letters
Word in an Alka-Seltzer ad, 4 letters
The noise of a rounded object dropping into a liquid without a splash, 4 letters
Inappropriate public sculpture, 7 letters
Jackson Pollock, perhaps?, 10 letters
Sat without ceremony, 7 letters
Initial sounds of a relief effort?, 8 letters
Start of an Alka-Seltzer jingle, 8 letters
Dr. Seuss book about a home aquarium?, 16 letters
Alka-Seltzer sounds, 5 letters
Coin-hitting-water sounds, 5 letters
Falls like raindrops, 5 letters
Falls with a splash, 5 letters
Falls, as into a chair, 5 letters
Fat raindrop sounds, 5 letters
Finds an easy chair, 5 letters
Lands in a puddle, maybe, 5 letters
Sounds made by big, fat drops, 5 letters
Sounds of objects falling into water, 5 letters
Unceremonious falls, 5 letters